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Finding the Fourth Proportional to 533.57, 794.88 and 513.97

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Solution

The fourth proportional to 533.57, 794.88 and 513.97 is: 765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.57 : 794.88 = 513.97 : x
  2. Step 2: Convert to fraction form
    533.57/794.88 = 513.97/x
  3. Step 3: Cross multiply
    533.57x = 794.88 × 513.97
  4. Step 4: Simplify right side
    533.57x = 408,542.49
  5. Step 5: Solve for x
    x = 408,542.49/533.57
  6. Step 6: Final answer
    x = 765.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.