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Finding the Fourth Proportional to 243.78, 362.91 and 241.04

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Solution

The fourth proportional to 243.78, 362.91 and 241.04 is: 358.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.78 : 362.91 = 241.04 : x
  2. Step 2: Convert to fraction form
    243.78/362.91 = 241.04/x
  3. Step 3: Cross multiply
    243.78x = 362.91 × 241.04
  4. Step 4: Simplify right side
    243.78x = 87,474.01
  5. Step 5: Solve for x
    x = 87,474.01/243.78
  6. Step 6: Final answer
    x = 358.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.