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Finding the Fourth Proportional to 232.10, 347.61 and 168.02

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Solution

The fourth proportional to 232.10, 347.61 and 168.02 is: 251.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.10 : 347.61 = 168.02 : x
  2. Step 2: Convert to fraction form
    232.10/347.61 = 168.02/x
  3. Step 3: Cross multiply
    232.10x = 347.61 × 168.02
  4. Step 4: Simplify right side
    232.10x = 58,405.43
  5. Step 5: Solve for x
    x = 58,405.43/232.10
  6. Step 6: Final answer
    x = 251.64

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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.