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Finding the Fourth Proportional to 237.11, 327.12 and 133.61

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Solution

The fourth proportional to 237.11, 327.12 and 133.61 is: 184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.11 : 327.12 = 133.61 : x
  2. Step 2: Convert to fraction form
    237.11/327.12 = 133.61/x
  3. Step 3: Cross multiply
    237.11x = 327.12 × 133.61
  4. Step 4: Simplify right side
    237.11x = 43,706.50
  5. Step 5: Solve for x
    x = 43,706.50/237.11
  6. Step 6: Final answer
    x = 184.33

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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.