Finding the Fourth Proportional to 472.36, 652.10 and 325.80
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Solution
The fourth proportional to 472.36, 652.10 and 325.80 is: 449.77
Step by Step Solution
- Step 1: Write the proportion equation
472.36 : 652.10 = 325.80 : x - Step 2: Convert to fraction form
472.36/652.10 = 325.80/x - Step 3: Cross multiply
472.36x = 652.10 × 325.80 - Step 4: Simplify right side
472.36x = 212,454.18 - Step 5: Solve for x
x = 212,454.18/472.36 - Step 6: Final answer
x = 449.77
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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.