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Finding the Fourth Proportional to 180.14, 268.69 and 160.88

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Solution

The fourth proportional to 180.14, 268.69 and 160.88 is: 239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.14 : 268.69 = 160.88 : x
  2. Step 2: Convert to fraction form
    180.14/268.69 = 160.88/x
  3. Step 3: Cross multiply
    180.14x = 268.69 × 160.88
  4. Step 4: Simplify right side
    180.14x = 43,226.85
  5. Step 5: Solve for x
    x = 43,226.85/180.14
  6. Step 6: Final answer
    x = 239.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.