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Finding the Fourth Proportional to 240.16, 329.16 and 237.76

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Solution

The fourth proportional to 240.16, 329.16 and 237.76 is: 325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.16 : 329.16 = 237.76 : x
  2. Step 2: Convert to fraction form
    240.16/329.16 = 237.76/x
  3. Step 3: Cross multiply
    240.16x = 329.16 × 237.76
  4. Step 4: Simplify right side
    240.16x = 78,261.08
  5. Step 5: Solve for x
    x = 78,261.08/240.16
  6. Step 6: Final answer
    x = 325.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.