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Finding the Fourth Proportional to 241.38, 362.20 and 104.56

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Solution

The fourth proportional to 241.38, 362.20 and 104.56 is: 156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.38 : 362.20 = 104.56 : x
  2. Step 2: Convert to fraction form
    241.38/362.20 = 104.56/x
  3. Step 3: Cross multiply
    241.38x = 362.20 × 104.56
  4. Step 4: Simplify right side
    241.38x = 37,871.63
  5. Step 5: Solve for x
    x = 37,871.63/241.38
  6. Step 6: Final answer
    x = 156.90

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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.