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Finding the Fourth Proportional to 168.08, 250.59 and 166.66

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Solution

The fourth proportional to 168.08, 250.59 and 166.66 is: 248.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.08 : 250.59 = 166.66 : x
  2. Step 2: Convert to fraction form
    168.08/250.59 = 166.66/x
  3. Step 3: Cross multiply
    168.08x = 250.59 × 166.66
  4. Step 4: Simplify right side
    168.08x = 41,763.33
  5. Step 5: Solve for x
    x = 41,763.33/168.08
  6. Step 6: Final answer
    x = 248.48

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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.