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Finding the Fourth Proportional to 495.03, 683.07 and 273.97

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Solution

The fourth proportional to 495.03, 683.07 and 273.97 is: 378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.03 : 683.07 = 273.97 : x
  2. Step 2: Convert to fraction form
    495.03/683.07 = 273.97/x
  3. Step 3: Cross multiply
    495.03x = 683.07 × 273.97
  4. Step 4: Simplify right side
    495.03x = 187,138.98
  5. Step 5: Solve for x
    x = 187,138.98/495.03
  6. Step 6: Final answer
    x = 378.04

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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.