 | Euclid - Euclid's Elements - 1789 - 296 pages
...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. 6. If any number of magnitudes be continually proportional, the ratio of the firft and third is faid... | |
 | Charles Hutton - Mathematics - 1811 - 406 pages
....the last, 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 - Arithmetic - 1818 - 646 pages
...the last, 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 - 516 pages
...last, a third proportianal, to the first and second. 11. Of four proportional magnitudes, the last is said to be a fourth proportional, to the other three taken in order. 12. Magnitudes, are said to be continually proportional, when the first has the same ratio to the second,... | |
 | Charles Hutton - Mathematics - 1822 - 616 pages
...the last, 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... | |
 | John Imison - Art - 1822 - 488 pages
...the last 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
...the last 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
...the last 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
...the last, 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... | |
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Three quantities are in proportion when the first has the same ratio to the second, that the second has to the third ; and then the middle term is said to be a mean proportional between the other two. 
