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Finding the Fourth Proportional to 606.13, 836.55 and 344.30

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Solution

The fourth proportional to 606.13, 836.55 and 344.30 is: 475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.13 : 836.55 = 344.30 : x
  2. Step 2: Convert to fraction form
    606.13/836.55 = 344.30/x
  3. Step 3: Cross multiply
    606.13x = 836.55 × 344.30
  4. Step 4: Simplify right side
    606.13x = 288,024.17
  5. Step 5: Solve for x
    x = 288,024.17/606.13
  6. Step 6: Final answer
    x = 475.19

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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.