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Finding the Fourth Proportional to 241.20, 361.82 and 94.95

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Solution

The fourth proportional to 241.20, 361.82 and 94.95 is: 142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.20 : 361.82 = 94.95 : x
  2. Step 2: Convert to fraction form
    241.20/361.82 = 94.95/x
  3. Step 3: Cross multiply
    241.20x = 361.82 × 94.95
  4. Step 4: Simplify right side
    241.20x = 34,355.05
  5. Step 5: Solve for x
    x = 34,355.05/241.20
  6. Step 6: Final answer
    x = 142.43

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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.