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Finding the Fourth Proportional to 483.39, 667.12 and 273.56

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Solution

The fourth proportional to 483.39, 667.12 and 273.56 is: 377.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.39 : 667.12 = 273.56 : x
  2. Step 2: Convert to fraction form
    483.39/667.12 = 273.56/x
  3. Step 3: Cross multiply
    483.39x = 667.12 × 273.56
  4. Step 4: Simplify right side
    483.39x = 182,497.35
  5. Step 5: Solve for x
    x = 182,497.35/483.39
  6. Step 6: Final answer
    x = 377.54

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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.