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Finding the Fourth Proportional to 235.52, 324.75 and 160.88

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Solution

The fourth proportional to 235.52, 324.75 and 160.88 is: 221.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.52 : 324.75 = 160.88 : x
  2. Step 2: Convert to fraction form
    235.52/324.75 = 160.88/x
  3. Step 3: Cross multiply
    235.52x = 324.75 × 160.88
  4. Step 4: Simplify right side
    235.52x = 52,245.78
  5. Step 5: Solve for x
    x = 52,245.78/235.52
  6. Step 6: Final answer
    x = 221.83

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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.