Finding the Fourth Proportional to 472.70, 652.33 and 265.70
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Solution
The fourth proportional to 472.70, 652.33 and 265.70 is: 366.67
Step by Step Solution
- Step 1: Write the proportion equation
472.70 : 652.33 = 265.70 : x - Step 2: Convert to fraction form
472.70/652.33 = 265.70/x - Step 3: Cross multiply
472.70x = 652.33 × 265.70 - Step 4: Simplify right side
472.70x = 173,324.08 - Step 5: Solve for x
x = 173,324.08/472.70 - Step 6: Final answer
x = 366.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.