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Finding the Fourth Proportional to 237.09, 327.20 and 132.17

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Solution

The fourth proportional to 237.09, 327.20 and 132.17 is: 182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.09 : 327.20 = 132.17 : x
  2. Step 2: Convert to fraction form
    237.09/327.20 = 132.17/x
  3. Step 3: Cross multiply
    237.09x = 327.20 × 132.17
  4. Step 4: Simplify right side
    237.09x = 43,246.02
  5. Step 5: Solve for x
    x = 43,246.02/237.09
  6. Step 6: Final answer
    x = 182.40

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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.