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Finding the Fourth Proportional to 168.44, 232.33 and 146.57

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Solution

The fourth proportional to 168.44, 232.33 and 146.57 is: 202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.44 : 232.33 = 146.57 : x
  2. Step 2: Convert to fraction form
    168.44/232.33 = 146.57/x
  3. Step 3: Cross multiply
    168.44x = 232.33 × 146.57
  4. Step 4: Simplify right side
    168.44x = 34,052.61
  5. Step 5: Solve for x
    x = 34,052.61/168.44
  6. Step 6: Final answer
    x = 202.16

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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.