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Finding the Fourth Proportional to 241.11, 360.98 and 221.97

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Solution

The fourth proportional to 241.11, 360.98 and 221.97 is: 332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.11 : 360.98 = 221.97 : x
  2. Step 2: Convert to fraction form
    241.11/360.98 = 221.97/x
  3. Step 3: Cross multiply
    241.11x = 360.98 × 221.97
  4. Step 4: Simplify right side
    241.11x = 80,125.62
  5. Step 5: Solve for x
    x = 80,125.62/241.11
  6. Step 6: Final answer
    x = 332.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.