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Finding the Fourth Proportional to 444.01, 665.97 and 200.55

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Solution

The fourth proportional to 444.01, 665.97 and 200.55 is: 300.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.01 : 665.97 = 200.55 : x
  2. Step 2: Convert to fraction form
    444.01/665.97 = 200.55/x
  3. Step 3: Cross multiply
    444.01x = 665.97 × 200.55
  4. Step 4: Simplify right side
    444.01x = 133,561.28
  5. Step 5: Solve for x
    x = 133,561.28/444.01
  6. Step 6: Final answer
    x = 300.81

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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.