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Finding the Fourth Proportional to 160.14, 221.03 and 133.88

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Solution

The fourth proportional to 160.14, 221.03 and 133.88 is: 184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.14 : 221.03 = 133.88 : x
  2. Step 2: Convert to fraction form
    160.14/221.03 = 133.88/x
  3. Step 3: Cross multiply
    160.14x = 221.03 × 133.88
  4. Step 4: Simplify right side
    160.14x = 29,589.72
  5. Step 5: Solve for x
    x = 29,589.72/160.14
  6. Step 6: Final answer
    x = 184.77

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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.