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Finding the Fourth Proportional to 241.16, 335.11 and 238.66

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Solution

The fourth proportional to 241.16, 335.11 and 238.66 is: 331.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.16 : 335.11 = 238.66 : x
  2. Step 2: Convert to fraction form
    241.16/335.11 = 238.66/x
  3. Step 3: Cross multiply
    241.16x = 335.11 × 238.66
  4. Step 4: Simplify right side
    241.16x = 79,975.68
  5. Step 5: Solve for x
    x = 79,975.68/241.16
  6. Step 6: Final answer
    x = 331.63

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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.