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Finding the Fourth Proportional to 232.10, 347.46 and 140.52

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Solution

The fourth proportional to 232.10, 347.46 and 140.52 is: 210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.10 : 347.46 = 140.52 : x
  2. Step 2: Convert to fraction form
    232.10/347.46 = 140.52/x
  3. Step 3: Cross multiply
    232.10x = 347.46 × 140.52
  4. Step 4: Simplify right side
    232.10x = 48,825.08
  5. Step 5: Solve for x
    x = 48,825.08/232.10
  6. Step 6: Final answer
    x = 210.36

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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.