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Finding the Fourth Proportional to 166.08, 249.18 and 50.52

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Solution

The fourth proportional to 166.08, 249.18 and 50.52 is: 75.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.08 : 249.18 = 50.52 : x
  2. Step 2: Convert to fraction form
    166.08/249.18 = 50.52/x
  3. Step 3: Cross multiply
    166.08x = 249.18 × 50.52
  4. Step 4: Simplify right side
    166.08x = 12,588.57
  5. Step 5: Solve for x
    x = 12,588.57/166.08
  6. Step 6: Final answer
    x = 75.80

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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.