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Finding the Fourth Proportional to 241.97, 336.17 and 239.09

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Solution

The fourth proportional to 241.97, 336.17 and 239.09 is: 332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.97 : 336.17 = 239.09 : x
  2. Step 2: Convert to fraction form
    241.97/336.17 = 239.09/x
  3. Step 3: Cross multiply
    241.97x = 336.17 × 239.09
  4. Step 4: Simplify right side
    241.97x = 80,373.69
  5. Step 5: Solve for x
    x = 80,373.69/241.97
  6. Step 6: Final answer
    x = 332.16

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.