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Finding the Fourth Proportional to 444.01, 610.70 and 356.49

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Solution

The fourth proportional to 444.01, 610.70 and 356.49 is: 490.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.01 : 610.70 = 356.49 : x
  2. Step 2: Convert to fraction form
    444.01/610.70 = 356.49/x
  3. Step 3: Cross multiply
    444.01x = 610.70 × 356.49
  4. Step 4: Simplify right side
    444.01x = 217,708.44
  5. Step 5: Solve for x
    x = 217,708.44/444.01
  6. Step 6: Final answer
    x = 490.32

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Why These Related Problems?

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