| Thomas Simpson - Geometry - 1760 - 296 pages
...middle one is faid to be a Mean-proportional between the other two ; and the laft, a Third-proportional to the firft and fecond. 5. Of four proportional quantities, the laft is faid to be a Fourth-proportional to the other three, taken in order. ABCD, 6. Quantities are faid to be continually... | |
| Charles Hutton - Mathematics - 1811 - 406 pages
...a Third Proportional to the first and second. 81. Of four proportional quantities, the last is said to be a Fourth Proportional to the other three, taken in order. 82. Quantities are said to be Continually Proportional, or in Contmued Proportion, when the ratio is... | |
| Charles Hutton - Mathematics - 1816 - 610 pages
...Third Proportional to the first and second. 81. Of four proportional quantities, the last is s.iid to be a Fourth Proportional to the other three, taken in order. 82. Quantities are said to be Continually Proportional, or in Continued Proportion, when the -ratio... | |
| Charles Hutton - Mathematics - 1822 - 616 pages
...a Third Proportional to the first and second. 81. Of four proportional quantities, the last is said to be a Fourth Proportional to the other three, taken in order. 82. Quantities are said to be Continually Proportional, or in Continued Proportion, when the ratio... | |
| Rev. John Allen - Astronomy - 1822 - 508 pages
...to the second, as the second has to th* third. 11. Of four proportional magnitudes, the last is said to be a fourth proportional, to the other three taken in order. 10. Of three proportional magnitudes, the middle one, is said to be, a mean proportional, between the... | |
| John Imison - Art - 1822 - 488 pages
...a third proportional to the first and second. 57. Of four proportional quantities, the last is said to be a fourth proportional to the other three, taken in order. 58. Ratio of equality is that which equal numbers bear to each other. 59. Inverse ratio is when the... | |
| John Nicholson - Machinery - 1825 - 822 pages
...a third proportional to the first and second. 92. Of four proportional quantities, the last is said to be A fourth proportional to the other three, taken in order. 93. Ratio of equality is that which equal numbers bear to each other. 94. Inverse ratio is when the... | |
| John Nicholson (Civil engineer) - Building - 1830 - 240 pages
...a third proportional to the first and second. 92. Of four proportional quantities, the last is said to be a fourth proportional to the other three, taken in order. 93. Ratio of equality is that which equal numbers bear to each other. 94. Inverse ratio is when the... | |
| Industrial arts - 1835 - 398 pages
...a Third Proportional to the first and second. 6. Of four proportional quantities, the last is said to be a Fourth Proportional to the other three, taken in order. 7. Quantities are said to be Continually Proportional, or in Continued Proportion, when the ratio is... | |
| Adrien Marie Legendre - Geometry - 1836 - 394 pages
...third are called the antecedents, and the second and fourth the consequents ; and the last is said to be a fourth proportional to the other three taken in order. 4. Three quantities are in proportion, when the first has the same ratio to the second, that the second... | |
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