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Finding the Fourth Proportional to 444.02, 668.61 and 329.27

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Solution

The fourth proportional to 444.02, 668.61 and 329.27 is: 495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.02 : 668.61 = 329.27 : x
  2. Step 2: Convert to fraction form
    444.02/668.61 = 329.27/x
  3. Step 3: Cross multiply
    444.02x = 668.61 × 329.27
  4. Step 4: Simplify right side
    444.02x = 220,149.87
  5. Step 5: Solve for x
    x = 220,149.87/444.02
  6. Step 6: Final answer
    x = 495.82

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.