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Finding the Fourth Proportional to 613.24, 846.26 and 351.26

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Solution

The fourth proportional to 613.24, 846.26 and 351.26 is: 484.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.24 : 846.26 = 351.26 : x
  2. Step 2: Convert to fraction form
    613.24/846.26 = 351.26/x
  3. Step 3: Cross multiply
    613.24x = 846.26 × 351.26
  4. Step 4: Simplify right side
    613.24x = 297,257.29
  5. Step 5: Solve for x
    x = 297,257.29/613.24
  6. Step 6: Final answer
    x = 484.73

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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.