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Finding the Fourth Proportional to 232.24, 347.91 and 160.15

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Solution

The fourth proportional to 232.24, 347.91 and 160.15 is: 239.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.24 : 347.91 = 160.15 : x
  2. Step 2: Convert to fraction form
    232.24/347.91 = 160.15/x
  3. Step 3: Cross multiply
    232.24x = 347.91 × 160.15
  4. Step 4: Simplify right side
    232.24x = 55,717.79
  5. Step 5: Solve for x
    x = 55,717.79/232.24
  6. Step 6: Final answer
    x = 239.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.