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Finding the Fourth Proportional to 166.66, 249.02 and 134.26

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Solution

The fourth proportional to 166.66, 249.02 and 134.26 is: 200.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.66 : 249.02 = 134.26 : x
  2. Step 2: Convert to fraction form
    166.66/249.02 = 134.26/x
  3. Step 3: Cross multiply
    166.66x = 249.02 × 134.26
  4. Step 4: Simplify right side
    166.66x = 33,433.43
  5. Step 5: Solve for x
    x = 33,433.43/166.66
  6. Step 6: Final answer
    x = 200.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.