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Finding the Fourth Proportional to 167.43, 230.40 and 133.95

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Solution

The fourth proportional to 167.43, 230.40 and 133.95 is: 184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.43 : 230.40 = 133.95 : x
  2. Step 2: Convert to fraction form
    167.43/230.40 = 133.95/x
  3. Step 3: Cross multiply
    167.43x = 230.40 × 133.95
  4. Step 4: Simplify right side
    167.43x = 30,862.08
  5. Step 5: Solve for x
    x = 30,862.08/167.43
  6. Step 6: Final answer
    x = 184.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.