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Finding the Fourth Proportional to 243.98, 338.94 and 241.10

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Solution

The fourth proportional to 243.98, 338.94 and 241.10 is: 334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.98 : 338.94 = 241.10 : x
  2. Step 2: Convert to fraction form
    243.98/338.94 = 241.10/x
  3. Step 3: Cross multiply
    243.98x = 338.94 × 241.10
  4. Step 4: Simplify right side
    243.98x = 81,718.43
  5. Step 5: Solve for x
    x = 81,718.43/243.98
  6. Step 6: Final answer
    x = 334.94

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.