Finding the Fourth Proportional to 476.60, 714.97 and 129.95
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Solution
The fourth proportional to 476.60, 714.97 and 129.95 is: 194.94
Step by Step Solution
- Step 1: Write the proportion equation
476.60 : 714.97 = 129.95 : x - Step 2: Convert to fraction form
476.60/714.97 = 129.95/x - Step 3: Cross multiply
476.60x = 714.97 × 129.95 - Step 4: Simplify right side
476.60x = 92,906.13 - Step 5: Solve for x
x = 92,906.13/476.60 - Step 6: Final answer
x = 194.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.