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Finding the Fourth Proportional to 241.75, 362.63 and 126.23

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Solution

The fourth proportional to 241.75, 362.63 and 126.23 is: 189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.75 : 362.63 = 126.23 : x
  2. Step 2: Convert to fraction form
    241.75/362.63 = 126.23/x
  3. Step 3: Cross multiply
    241.75x = 362.63 × 126.23
  4. Step 4: Simplify right side
    241.75x = 45,775.06
  5. Step 5: Solve for x
    x = 45,775.06/241.75
  6. Step 6: Final answer
    x = 189.35

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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.