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Finding the Fourth Proportional to 168.43, 250.88 and 166.33

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Solution

The fourth proportional to 168.43, 250.88 and 166.33 is: 247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.43 : 250.88 = 166.33 : x
  2. Step 2: Convert to fraction form
    168.43/250.88 = 166.33/x
  3. Step 3: Cross multiply
    168.43x = 250.88 × 166.33
  4. Step 4: Simplify right side
    168.43x = 41,728.87
  5. Step 5: Solve for x
    x = 41,728.87/168.43
  6. Step 6: Final answer
    x = 247.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.