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Finding the Fourth Proportional to 574.38, 861.81 and 232.62

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Solution

The fourth proportional to 574.38, 861.81 and 232.62 is: 349.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.38 : 861.81 = 232.62 : x
  2. Step 2: Convert to fraction form
    574.38/861.81 = 232.62/x
  3. Step 3: Cross multiply
    574.38x = 861.81 × 232.62
  4. Step 4: Simplify right side
    574.38x = 200,474.24
  5. Step 5: Solve for x
    x = 200,474.24/574.38
  6. Step 6: Final answer
    x = 349.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.