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Finding the Fourth Proportional to 241.14, 361.17 and 138.27

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Solution

The fourth proportional to 241.14, 361.17 and 138.27 is: 207.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.14 : 361.17 = 138.27 : x
  2. Step 2: Convert to fraction form
    241.14/361.17 = 138.27/x
  3. Step 3: Cross multiply
    241.14x = 361.17 × 138.27
  4. Step 4: Simplify right side
    241.14x = 49,938.98
  5. Step 5: Solve for x
    x = 49,938.98/241.14
  6. Step 6: Final answer
    x = 207.10

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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.