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Finding the Fourth Proportional to 519.73, 716.68 and 333.23

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Solution

The fourth proportional to 519.73, 716.68 and 333.23 is: 459.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    519.73 : 716.68 = 333.23 : x
  2. Step 2: Convert to fraction form
    519.73/716.68 = 333.23/x
  3. Step 3: Cross multiply
    519.73x = 716.68 × 333.23
  4. Step 4: Simplify right side
    519.73x = 238,819.28
  5. Step 5: Solve for x
    x = 238,819.28/519.73
  6. Step 6: Final answer
    x = 459.51

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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.