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Finding the Fourth Proportional to 251.86, 349.46 and 241.58

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Solution

The fourth proportional to 251.86, 349.46 and 241.58 is: 335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.86 : 349.46 = 241.58 : x
  2. Step 2: Convert to fraction form
    251.86/349.46 = 241.58/x
  3. Step 3: Cross multiply
    251.86x = 349.46 × 241.58
  4. Step 4: Simplify right side
    251.86x = 84,424.48
  5. Step 5: Solve for x
    x = 84,424.48/251.86
  6. Step 6: Final answer
    x = 335.20

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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.