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Finding the Fourth Proportional to 363.67, 502.19 and 232.90

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Solution

The fourth proportional to 363.67, 502.19 and 232.90 is: 321.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.67 : 502.19 = 232.90 : x
  2. Step 2: Convert to fraction form
    363.67/502.19 = 232.90/x
  3. Step 3: Cross multiply
    363.67x = 502.19 × 232.90
  4. Step 4: Simplify right side
    363.67x = 116,960.05
  5. Step 5: Solve for x
    x = 116,960.05/363.67
  6. Step 6: Final answer
    x = 321.61

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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.