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Finding the Fourth Proportional to 168.37, 250.64 and 167.46

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Solution

The fourth proportional to 168.37, 250.64 and 167.46 is: 249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.37 : 250.64 = 167.46 : x
  2. Step 2: Convert to fraction form
    168.37/250.64 = 167.46/x
  3. Step 3: Cross multiply
    168.37x = 250.64 × 167.46
  4. Step 4: Simplify right side
    168.37x = 41,972.17
  5. Step 5: Solve for x
    x = 41,972.17/168.37
  6. Step 6: Final answer
    x = 249.29

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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.