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Finding the Fourth Proportional to 494.91, 683.01 and 273.87

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Solution

The fourth proportional to 494.91, 683.01 and 273.87 is: 377.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.91 : 683.01 = 273.87 : x
  2. Step 2: Convert to fraction form
    494.91/683.01 = 273.87/x
  3. Step 3: Cross multiply
    494.91x = 683.01 × 273.87
  4. Step 4: Simplify right side
    494.91x = 187,055.95
  5. Step 5: Solve for x
    x = 187,055.95/494.91
  6. Step 6: Final answer
    x = 377.96

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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.