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Finding the Fourth Proportional to 444.01, 664.02 and 395.56

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Solution

The fourth proportional to 444.01, 664.02 and 395.56 is: 591.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.01 : 664.02 = 395.56 : x
  2. Step 2: Convert to fraction form
    444.01/664.02 = 395.56/x
  3. Step 3: Cross multiply
    444.01x = 664.02 × 395.56
  4. Step 4: Simplify right side
    444.01x = 262,659.75
  5. Step 5: Solve for x
    x = 262,659.75/444.01
  6. Step 6: Final answer
    x = 591.56

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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.