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Finding the Fourth Proportional to 241.84, 335.10 and 238.72

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Solution

The fourth proportional to 241.84, 335.10 and 238.72 is: 330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.84 : 335.10 = 238.72 : x
  2. Step 2: Convert to fraction form
    241.84/335.10 = 238.72/x
  3. Step 3: Cross multiply
    241.84x = 335.10 × 238.72
  4. Step 4: Simplify right side
    241.84x = 79,995.07
  5. Step 5: Solve for x
    x = 79,995.07/241.84
  6. Step 6: Final answer
    x = 330.78

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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.