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Finding the Fourth Proportional to 533.92, 801.24 and 225.80

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Solution

The fourth proportional to 533.92, 801.24 and 225.80 is: 338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.92 : 801.24 = 225.80 : x
  2. Step 2: Convert to fraction form
    533.92/801.24 = 225.80/x
  3. Step 3: Cross multiply
    533.92x = 801.24 × 225.80
  4. Step 4: Simplify right side
    533.92x = 180,919.99
  5. Step 5: Solve for x
    x = 180,919.99/533.92
  6. Step 6: Final answer
    x = 338.85

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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.