Finding the Fourth Proportional to 472.64, 652.08 and 297.92
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Solution
The fourth proportional to 472.64, 652.08 and 297.92 is: 411.03
Step by Step Solution
- Step 1: Write the proportion equation
472.64 : 652.08 = 297.92 : x - Step 2: Convert to fraction form
472.64/652.08 = 297.92/x - Step 3: Cross multiply
472.64x = 652.08 × 297.92 - Step 4: Simplify right side
472.64x = 194,267.67 - Step 5: Solve for x
x = 194,267.67/472.64 - Step 6: Final answer
x = 411.03
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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.