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Finding the Fourth Proportional to 166.04, 248.94 and 124.88

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Solution

The fourth proportional to 166.04, 248.94 and 124.88 is: 187.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.04 : 248.94 = 124.88 : x
  2. Step 2: Convert to fraction form
    166.04/248.94 = 124.88/x
  3. Step 3: Cross multiply
    166.04x = 248.94 × 124.88
  4. Step 4: Simplify right side
    166.04x = 31,086.38
  5. Step 5: Solve for x
    x = 31,086.38/166.04
  6. Step 6: Final answer
    x = 187.23

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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.