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Finding the Fourth Proportional to 160.50, 240.44 and 126.08

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Solution

The fourth proportional to 160.50, 240.44 and 126.08 is: 188.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.50 : 240.44 = 126.08 : x
  2. Step 2: Convert to fraction form
    160.50/240.44 = 126.08/x
  3. Step 3: Cross multiply
    160.50x = 240.44 × 126.08
  4. Step 4: Simplify right side
    160.50x = 30,314.68
  5. Step 5: Solve for x
    x = 30,314.68/160.50
  6. Step 6: Final answer
    x = 188.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.