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Finding the Fourth Proportional to 483.67, 667.52 and 273.85

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Solution

The fourth proportional to 483.67, 667.52 and 273.85 is: 377.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.67 : 667.52 = 273.85 : x
  2. Step 2: Convert to fraction form
    483.67/667.52 = 273.85/x
  3. Step 3: Cross multiply
    483.67x = 667.52 × 273.85
  4. Step 4: Simplify right side
    483.67x = 182,800.35
  5. Step 5: Solve for x
    x = 182,800.35/483.67
  6. Step 6: Final answer
    x = 377.94

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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.