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Finding the Fourth Proportional to 237.62, 327.90 and 132.70

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Solution

The fourth proportional to 237.62, 327.90 and 132.70 is: 183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.62 : 327.90 = 132.70 : x
  2. Step 2: Convert to fraction form
    237.62/327.90 = 132.70/x
  3. Step 3: Cross multiply
    237.62x = 327.90 × 132.70
  4. Step 4: Simplify right side
    237.62x = 43,512.33
  5. Step 5: Solve for x
    x = 43,512.33/237.62
  6. Step 6: Final answer
    x = 183.12

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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.