Finding the Fourth Proportional to 668.29, 1,001.63 and 472.99
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Solution
The fourth proportional to 668.29, 1,001.63 and 472.99 is: 708.92
Step by Step Solution
- Step 1: Write the proportion equation
668.29 : 1,001.63 = 472.99 : x - Step 2: Convert to fraction form
668.29/1,001.63 = 472.99/x - Step 3: Cross multiply
668.29x = 1,001.63 × 472.99 - Step 4: Simplify right side
668.29x = 473,760.97 - Step 5: Solve for x
x = 473,760.97/668.29 - Step 6: Final answer
x = 708.92
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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.