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Finding the Fourth Proportional to 166.71, 229.93 and 116.83

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Solution

The fourth proportional to 166.71, 229.93 and 116.83 is: 161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.71 : 229.93 = 116.83 : x
  2. Step 2: Convert to fraction form
    166.71/229.93 = 116.83/x
  3. Step 3: Cross multiply
    166.71x = 229.93 × 116.83
  4. Step 4: Simplify right side
    166.71x = 26,862.72
  5. Step 5: Solve for x
    x = 26,862.72/166.71
  6. Step 6: Final answer
    x = 161.13

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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.