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Finding the Fourth Proportional to 167.41, 249.53 and 154.18

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Solution

The fourth proportional to 167.41, 249.53 and 154.18 is: 229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.41 : 249.53 = 154.18 : x
  2. Step 2: Convert to fraction form
    167.41/249.53 = 154.18/x
  3. Step 3: Cross multiply
    167.41x = 249.53 × 154.18
  4. Step 4: Simplify right side
    167.41x = 38,472.54
  5. Step 5: Solve for x
    x = 38,472.54/167.41
  6. Step 6: Final answer
    x = 229.81

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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.