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Finding the Fourth Proportional to 232.18, 320.10 and 158.37

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Solution

The fourth proportional to 232.18, 320.10 and 158.37 is: 218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.18 : 320.10 = 158.37 : x
  2. Step 2: Convert to fraction form
    232.18/320.10 = 158.37/x
  3. Step 3: Cross multiply
    232.18x = 320.10 × 158.37
  4. Step 4: Simplify right side
    232.18x = 50,694.24
  5. Step 5: Solve for x
    x = 50,694.24/232.18
  6. Step 6: Final answer
    x = 218.34

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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.