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Finding the Fourth Proportional to 241.44, 331.05 and 218.04

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Solution

The fourth proportional to 241.44, 331.05 and 218.04 is: 298.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.44 : 331.05 = 218.04 : x
  2. Step 2: Convert to fraction form
    241.44/331.05 = 218.04/x
  3. Step 3: Cross multiply
    241.44x = 331.05 × 218.04
  4. Step 4: Simplify right side
    241.44x = 72,182.14
  5. Step 5: Solve for x
    x = 72,182.14/241.44
  6. Step 6: Final answer
    x = 298.97

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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.