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Finding the Fourth Proportional to 179.89, 248.11 and 133.42

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Solution

The fourth proportional to 179.89, 248.11 and 133.42 is: 184.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.89 : 248.11 = 133.42 : x
  2. Step 2: Convert to fraction form
    179.89/248.11 = 133.42/x
  3. Step 3: Cross multiply
    179.89x = 248.11 × 133.42
  4. Step 4: Simplify right side
    179.89x = 33,102.84
  5. Step 5: Solve for x
    x = 33,102.84/179.89
  6. Step 6: Final answer
    x = 184.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.