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Finding the Fourth Proportional to 241.10, 334.35 and 231.15

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Solution

The fourth proportional to 241.10, 334.35 and 231.15 is: 320.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.10 : 334.35 = 231.15 : x
  2. Step 2: Convert to fraction form
    241.10/334.35 = 231.15/x
  3. Step 3: Cross multiply
    241.10x = 334.35 × 231.15
  4. Step 4: Simplify right side
    241.10x = 77,286.91
  5. Step 5: Solve for x
    x = 77,286.91/241.10
  6. Step 6: Final answer
    x = 320.56

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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.