Finding the Fourth Proportional to 314.96, 472.70 and 160.99
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Solution
The fourth proportional to 314.96, 472.70 and 160.99 is: 241.61
Step by Step Solution
- Step 1: Write the proportion equation
314.96 : 472.70 = 160.99 : x - Step 2: Convert to fraction form
314.96/472.70 = 160.99/x - Step 3: Cross multiply
314.96x = 472.70 × 160.99 - Step 4: Simplify right side
314.96x = 76,097.99 - Step 5: Solve for x
x = 76,097.99/314.96 - Step 6: Final answer
x = 241.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.