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Finding the Fourth Proportional to 237.11, 327.05 and 158.39

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Solution

The fourth proportional to 237.11, 327.05 and 158.39 is: 218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.11 : 327.05 = 158.39 : x
  2. Step 2: Convert to fraction form
    237.11/327.05 = 158.39/x
  3. Step 3: Cross multiply
    237.11x = 327.05 × 158.39
  4. Step 4: Simplify right side
    237.11x = 51,799.02
  5. Step 5: Solve for x
    x = 51,799.02/237.11
  6. Step 6: Final answer
    x = 218.46

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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.