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Finding the Fourth Proportional to 439.44, 606.52 and 273.68

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Solution

The fourth proportional to 439.44, 606.52 and 273.68 is: 377.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    439.44 : 606.52 = 273.68 : x
  2. Step 2: Convert to fraction form
    439.44/606.52 = 273.68/x
  3. Step 3: Cross multiply
    439.44x = 606.52 × 273.68
  4. Step 4: Simplify right side
    439.44x = 165,992.39
  5. Step 5: Solve for x
    x = 165,992.39/439.44
  6. Step 6: Final answer
    x = 377.74

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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.