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Finding the Fourth Proportional to 110.73, 166.00 and 49.93

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Solution

The fourth proportional to 110.73, 166.00 and 49.93 is: 74.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.73 : 166.00 = 49.93 : x
  2. Step 2: Convert to fraction form
    110.73/166.00 = 49.93/x
  3. Step 3: Cross multiply
    110.73x = 166.00 × 49.93
  4. Step 4: Simplify right side
    110.73x = 8,288.87
  5. Step 5: Solve for x
    x = 8,288.87/110.73
  6. Step 6: Final answer
    x = 74.85

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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.