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Finding the Fourth Proportional to 404.33, 605.10 and 343.27

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Solution

The fourth proportional to 404.33, 605.10 and 343.27 is: 513.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.33 : 605.10 = 343.27 : x
  2. Step 2: Convert to fraction form
    404.33/605.10 = 343.27/x
  3. Step 3: Cross multiply
    404.33x = 605.10 × 343.27
  4. Step 4: Simplify right side
    404.33x = 207,714.72
  5. Step 5: Solve for x
    x = 207,714.72/404.33
  6. Step 6: Final answer
    x = 513.73

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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.