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Finding the Fourth Proportional to 237.38, 355.52 and 185.90

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Solution

The fourth proportional to 237.38, 355.52 and 185.90 is: 278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.38 : 355.52 = 185.90 : x
  2. Step 2: Convert to fraction form
    237.38/355.52 = 185.90/x
  3. Step 3: Cross multiply
    237.38x = 355.52 × 185.90
  4. Step 4: Simplify right side
    237.38x = 66,091.17
  5. Step 5: Solve for x
    x = 66,091.17/237.38
  6. Step 6: Final answer
    x = 278.42

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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.