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Finding the Fourth Proportional to 241.58, 331.19 and 240.87

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Solution

The fourth proportional to 241.58, 331.19 and 240.87 is: 330.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.58 : 331.19 = 240.87 : x
  2. Step 2: Convert to fraction form
    241.58/331.19 = 240.87/x
  3. Step 3: Cross multiply
    241.58x = 331.19 × 240.87
  4. Step 4: Simplify right side
    241.58x = 79,774.68
  5. Step 5: Solve for x
    x = 79,774.68/241.58
  6. Step 6: Final answer
    x = 330.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.