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Finding the Fourth Proportional to 241.45, 335.44 and 239.20

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Solution

The fourth proportional to 241.45, 335.44 and 239.20 is: 332.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.45 : 335.44 = 239.20 : x
  2. Step 2: Convert to fraction form
    241.45/335.44 = 239.20/x
  3. Step 3: Cross multiply
    241.45x = 335.44 × 239.20
  4. Step 4: Simplify right side
    241.45x = 80,237.25
  5. Step 5: Solve for x
    x = 80,237.25/241.45
  6. Step 6: Final answer
    x = 332.31

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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.