Question

What is the ratio between the fourth proportional of 3, 4, 9 and the mean proportional between 2 and 98 ?
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Answer 1

Answer:

$fourth \: propotional = \frac{3}{4} = \frac{9}{x} \\ = 12 \\ mean \: of \: 2 \\ 98 = \sqrt{2 \times 98} = 14 \\ required \: ratio = 12 \: is \: to \: 14 = 6 \: is \: to \: 7$