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Finding the Fourth Proportional to 160.52, 223.06 and 158.85

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Solution

The fourth proportional to 160.52, 223.06 and 158.85 is: 220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.52 : 223.06 = 158.85 : x
  2. Step 2: Convert to fraction form
    160.52/223.06 = 158.85/x
  3. Step 3: Cross multiply
    160.52x = 223.06 × 158.85
  4. Step 4: Simplify right side
    160.52x = 35,432.68
  5. Step 5: Solve for x
    x = 35,432.68/160.52
  6. Step 6: Final answer
    x = 220.73

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.