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Finding the Fourth Proportional to 167.60, 230.93 and 134.79

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Solution

The fourth proportional to 167.60, 230.93 and 134.79 is: 185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.60 : 230.93 = 134.79 : x
  2. Step 2: Convert to fraction form
    167.60/230.93 = 134.79/x
  3. Step 3: Cross multiply
    167.60x = 230.93 × 134.79
  4. Step 4: Simplify right side
    167.60x = 31,126.38
  5. Step 5: Solve for x
    x = 31,126.38/167.60
  6. Step 6: Final answer
    x = 185.72

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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.