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Finding the Fourth Proportional to 519.22, 717.13 and 344.26

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Solution

The fourth proportional to 519.22, 717.13 and 344.26 is: 475.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    519.22 : 717.13 = 344.26 : x
  2. Step 2: Convert to fraction form
    519.22/717.13 = 344.26/x
  3. Step 3: Cross multiply
    519.22x = 717.13 × 344.26
  4. Step 4: Simplify right side
    519.22x = 246,879.17
  5. Step 5: Solve for x
    x = 246,879.17/519.22
  6. Step 6: Final answer
    x = 475.48

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1.5x scale

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.