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Finding the Fourth Proportional to 237.42, 327.56 and 133.92

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Solution

The fourth proportional to 237.42, 327.56 and 133.92 is: 184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.42 : 327.56 = 133.92 : x
  2. Step 2: Convert to fraction form
    237.42/327.56 = 133.92/x
  3. Step 3: Cross multiply
    237.42x = 327.56 × 133.92
  4. Step 4: Simplify right side
    237.42x = 43,866.17
  5. Step 5: Solve for x
    x = 43,866.17/237.42
  6. Step 6: Final answer
    x = 184.76

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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.