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Finding the Fourth Proportional to 241.67, 362.25 and 104.78

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Solution

The fourth proportional to 241.67, 362.25 and 104.78 is: 157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.67 : 362.25 = 104.78 : x
  2. Step 2: Convert to fraction form
    241.67/362.25 = 104.78/x
  3. Step 3: Cross multiply
    241.67x = 362.25 × 104.78
  4. Step 4: Simplify right side
    241.67x = 37,956.56
  5. Step 5: Solve for x
    x = 37,956.56/241.67
  6. Step 6: Final answer
    x = 157.06

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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.