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Finding the Fourth Proportional to 241.47, 335.47 and 238.59

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Solution

The fourth proportional to 241.47, 335.47 and 238.59 is: 331.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.47 : 335.47 = 238.59 : x
  2. Step 2: Convert to fraction form
    241.47/335.47 = 238.59/x
  3. Step 3: Cross multiply
    241.47x = 335.47 × 238.59
  4. Step 4: Simplify right side
    241.47x = 80,039.79
  5. Step 5: Solve for x
    x = 80,039.79/241.47
  6. Step 6: Final answer
    x = 331.47

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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.