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Finding the Fourth Proportional to 240.32, 331.62 and 174.92

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Solution

The fourth proportional to 240.32, 331.62 and 174.92 is: 241.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.32 : 331.62 = 174.92 : x
  2. Step 2: Convert to fraction form
    240.32/331.62 = 174.92/x
  3. Step 3: Cross multiply
    240.32x = 331.62 × 174.92
  4. Step 4: Simplify right side
    240.32x = 58,006.97
  5. Step 5: Solve for x
    x = 58,006.97/240.32
  6. Step 6: Final answer
    x = 241.37

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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.