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Finding the Fourth Proportional to 160.57, 238.92 and 160.03

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Solution

The fourth proportional to 160.57, 238.92 and 160.03 is: 238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.57 : 238.92 = 160.03 : x
  2. Step 2: Convert to fraction form
    160.57/238.92 = 160.03/x
  3. Step 3: Cross multiply
    160.57x = 238.92 × 160.03
  4. Step 4: Simplify right side
    160.57x = 38,233.17
  5. Step 5: Solve for x
    x = 38,233.17/160.57
  6. Step 6: Final answer
    x = 238.12

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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.