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Finding the Fourth Proportional to 168.05, 230.08 and 167.47

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Solution

The fourth proportional to 168.05, 230.08 and 167.47 is: 229.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.05 : 230.08 = 167.47 : x
  2. Step 2: Convert to fraction form
    168.05/230.08 = 167.47/x
  3. Step 3: Cross multiply
    168.05x = 230.08 × 167.47
  4. Step 4: Simplify right side
    168.05x = 38,531.50
  5. Step 5: Solve for x
    x = 38,531.50/168.05
  6. Step 6: Final answer
    x = 229.29

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.