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Finding the Fourth Proportional to 241.47, 362.46 and 126.05

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Solution

The fourth proportional to 241.47, 362.46 and 126.05 is: 189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.47 : 362.46 = 126.05 : x
  2. Step 2: Convert to fraction form
    241.47/362.46 = 126.05/x
  3. Step 3: Cross multiply
    241.47x = 362.46 × 126.05
  4. Step 4: Simplify right side
    241.47x = 45,686.27
  5. Step 5: Solve for x
    x = 45,686.27/241.47
  6. Step 6: Final answer
    x = 189.20

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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.