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Finding the Fourth Proportional to 239.38, 356.26 and 237.10

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Solution

The fourth proportional to 239.38, 356.26 and 237.10 is: 352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.38 : 356.26 = 237.10 : x
  2. Step 2: Convert to fraction form
    239.38/356.26 = 237.10/x
  3. Step 3: Cross multiply
    239.38x = 356.26 × 237.10
  4. Step 4: Simplify right side
    239.38x = 84,469.25
  5. Step 5: Solve for x
    x = 84,469.25/239.38
  6. Step 6: Final answer
    x = 352.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.