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Finding the Fourth Proportional to 278.43, 383.25 and 241.44

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Solution

The fourth proportional to 278.43, 383.25 and 241.44 is: 332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    278.43 : 383.25 = 241.44 : x
  2. Step 2: Convert to fraction form
    278.43/383.25 = 241.44/x
  3. Step 3: Cross multiply
    278.43x = 383.25 × 241.44
  4. Step 4: Simplify right side
    278.43x = 92,531.88
  5. Step 5: Solve for x
    x = 92,531.88/278.43
  6. Step 6: Final answer
    x = 332.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.