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Finding the Fourth Proportional to 241.39, 333.17 and 158.35

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Solution

The fourth proportional to 241.39, 333.17 and 158.35 is: 218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.39 : 333.17 = 158.35 : x
  2. Step 2: Convert to fraction form
    241.39/333.17 = 158.35/x
  3. Step 3: Cross multiply
    241.39x = 333.17 × 158.35
  4. Step 4: Simplify right side
    241.39x = 52,757.47
  5. Step 5: Solve for x
    x = 52,757.47/241.39
  6. Step 6: Final answer
    x = 218.56

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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.