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Finding the Fourth Proportional to 241.96, 336.22 and 238.90

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Solution

The fourth proportional to 241.96, 336.22 and 238.90 is: 331.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.96 : 336.22 = 238.90 : x
  2. Step 2: Convert to fraction form
    241.96/336.22 = 238.90/x
  3. Step 3: Cross multiply
    241.96x = 336.22 × 238.90
  4. Step 4: Simplify right side
    241.96x = 80,322.96
  5. Step 5: Solve for x
    x = 80,322.96/241.96
  6. Step 6: Final answer
    x = 331.97

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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.