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Finding the Fourth Proportional to 606.82, 837.18 and 344.68

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Solution

The fourth proportional to 606.82, 837.18 and 344.68 is: 475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.82 : 837.18 = 344.68 : x
  2. Step 2: Convert to fraction form
    606.82/837.18 = 344.68/x
  3. Step 3: Cross multiply
    606.82x = 837.18 × 344.68
  4. Step 4: Simplify right side
    606.82x = 288,557.11
  5. Step 5: Solve for x
    x = 288,557.11/606.82
  6. Step 6: Final answer
    x = 475.53

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Double scale
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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.