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Finding the Fourth Proportional to 241.35, 335.37 and 238.85

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Solution

The fourth proportional to 241.35, 335.37 and 238.85 is: 331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.35 : 335.37 = 238.85 : x
  2. Step 2: Convert to fraction form
    241.35/335.37 = 238.85/x
  3. Step 3: Cross multiply
    241.35x = 335.37 × 238.85
  4. Step 4: Simplify right side
    241.35x = 80,103.60
  5. Step 5: Solve for x
    x = 80,103.60/241.35
  6. Step 6: Final answer
    x = 331.90

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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.