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Finding the Fourth Proportional to 166.07, 249.11 and 44.34

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Solution

The fourth proportional to 166.07, 249.11 and 44.34 is: 66.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.07 : 249.11 = 44.34 : x
  2. Step 2: Convert to fraction form
    166.07/249.11 = 44.34/x
  3. Step 3: Cross multiply
    166.07x = 249.11 × 44.34
  4. Step 4: Simplify right side
    166.07x = 11,045.65
  5. Step 5: Solve for x
    x = 11,045.65/166.07
  6. Step 6: Final answer
    x = 66.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.