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Finding the Fourth Proportional to 439.35, 606.33 and 273.66

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Solution

The fourth proportional to 439.35, 606.33 and 273.66 is: 377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    439.35 : 606.33 = 273.66 : x
  2. Step 2: Convert to fraction form
    439.35/606.33 = 273.66/x
  3. Step 3: Cross multiply
    439.35x = 606.33 × 273.66
  4. Step 4: Simplify right side
    439.35x = 165,928.27
  5. Step 5: Solve for x
    x = 165,928.27/439.35
  6. Step 6: Final answer
    x = 377.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.