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Finding the Fourth Proportional to 240.96, 330.12 and 232.32

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Solution

The fourth proportional to 240.96, 330.12 and 232.32 is: 318.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.96 : 330.12 = 232.32 : x
  2. Step 2: Convert to fraction form
    240.96/330.12 = 232.32/x
  3. Step 3: Cross multiply
    240.96x = 330.12 × 232.32
  4. Step 4: Simplify right side
    240.96x = 76,693.48
  5. Step 5: Solve for x
    x = 76,693.48/240.96
  6. Step 6: Final answer
    x = 318.28

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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.