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Finding the Fourth Proportional to 444.27, 665.77 and 327.79

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Solution

The fourth proportional to 444.27, 665.77 and 327.79 is: 491.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.27 : 665.77 = 327.79 : x
  2. Step 2: Convert to fraction form
    444.27/665.77 = 327.79/x
  3. Step 3: Cross multiply
    444.27x = 665.77 × 327.79
  4. Step 4: Simplify right side
    444.27x = 218,232.75
  5. Step 5: Solve for x
    x = 218,232.75/444.27
  6. Step 6: Final answer
    x = 491.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.