Finding the Fourth Proportional to 658.68, 908.94 and 363.99
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Solution
The fourth proportional to 658.68, 908.94 and 363.99 is: 502.28
Step by Step Solution
- Step 1: Write the proportion equation
658.68 : 908.94 = 363.99 : x - Step 2: Convert to fraction form
658.68/908.94 = 363.99/x - Step 3: Cross multiply
658.68x = 908.94 × 363.99 - Step 4: Simplify right side
658.68x = 330,845.07 - Step 5: Solve for x
x = 330,845.07/658.68 - Step 6: Final answer
x = 502.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.