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Finding the Fourth Proportional to 240.56, 332.28 and 174.32

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Solution

The fourth proportional to 240.56, 332.28 and 174.32 is: 240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.56 : 332.28 = 174.32 : x
  2. Step 2: Convert to fraction form
    240.56/332.28 = 174.32/x
  3. Step 3: Cross multiply
    240.56x = 332.28 × 174.32
  4. Step 4: Simplify right side
    240.56x = 57,923.05
  5. Step 5: Solve for x
    x = 57,923.05/240.56
  6. Step 6: Final answer
    x = 240.78

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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.