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Finding the Fourth Proportional to 167.55, 230.58 and 148.92

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Solution

The fourth proportional to 167.55, 230.58 and 148.92 is: 204.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.55 : 230.58 = 148.92 : x
  2. Step 2: Convert to fraction form
    167.55/230.58 = 148.92/x
  3. Step 3: Cross multiply
    167.55x = 230.58 × 148.92
  4. Step 4: Simplify right side
    167.55x = 34,337.97
  5. Step 5: Solve for x
    x = 34,337.97/167.55
  6. Step 6: Final answer
    x = 204.94

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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.