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Finding the Fourth Proportional to 241.43, 362.30 and 104.54

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Solution

The fourth proportional to 241.43, 362.30 and 104.54 is: 156.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.43 : 362.30 = 104.54 : x
  2. Step 2: Convert to fraction form
    241.43/362.30 = 104.54/x
  3. Step 3: Cross multiply
    241.43x = 362.30 × 104.54
  4. Step 4: Simplify right side
    241.43x = 37,872.51
  5. Step 5: Solve for x
    x = 37,872.51/241.43
  6. Step 6: Final answer
    x = 156.87

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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.