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Finding the Fourth Proportional to 160.28, 240.23 and 158.57

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Solution

The fourth proportional to 160.28, 240.23 and 158.57 is: 237.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.28 : 240.23 = 158.57 : x
  2. Step 2: Convert to fraction form
    160.28/240.23 = 158.57/x
  3. Step 3: Cross multiply
    160.28x = 240.23 × 158.57
  4. Step 4: Simplify right side
    160.28x = 38,091.28
  5. Step 5: Solve for x
    x = 38,091.28/160.28
  6. Step 6: Final answer
    x = 237.66

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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.