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Finding the Fourth Proportional to 167.87, 231.62 and 94.17

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Solution

The fourth proportional to 167.87, 231.62 and 94.17 is: 129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.87 : 231.62 = 94.17 : x
  2. Step 2: Convert to fraction form
    167.87/231.62 = 94.17/x
  3. Step 3: Cross multiply
    167.87x = 231.62 × 94.17
  4. Step 4: Simplify right side
    167.87x = 21,811.66
  5. Step 5: Solve for x
    x = 21,811.66/167.87
  6. Step 6: Final answer
    x = 129.93

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