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Finding the Fourth Proportional to 606.44, 836.79 and 344.41

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Solution

The fourth proportional to 606.44, 836.79 and 344.41 is: 475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.44 : 836.79 = 344.41 : x
  2. Step 2: Convert to fraction form
    606.44/836.79 = 344.41/x
  3. Step 3: Cross multiply
    606.44x = 836.79 × 344.41
  4. Step 4: Simplify right side
    606.44x = 288,198.84
  5. Step 5: Solve for x
    x = 288,198.84/606.44
  6. Step 6: Final answer
    x = 475.23

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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.