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Finding the Fourth Proportional to 251.60, 346.92 and 204.92

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Solution

The fourth proportional to 251.60, 346.92 and 204.92 is: 282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.60 : 346.92 = 204.92 : x
  2. Step 2: Convert to fraction form
    251.60/346.92 = 204.92/x
  3. Step 3: Cross multiply
    251.60x = 346.92 × 204.92
  4. Step 4: Simplify right side
    251.60x = 71,090.85
  5. Step 5: Solve for x
    x = 71,090.85/251.60
  6. Step 6: Final answer
    x = 282.56

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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.