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Finding the Fourth Proportional to 533.75, 800.24 and 359.99

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Solution

The fourth proportional to 533.75, 800.24 and 359.99 is: 539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.75 : 800.24 = 359.99 : x
  2. Step 2: Convert to fraction form
    533.75/800.24 = 359.99/x
  3. Step 3: Cross multiply
    533.75x = 800.24 × 359.99
  4. Step 4: Simplify right side
    533.75x = 288,072.60
  5. Step 5: Solve for x
    x = 288,072.60/533.75
  6. Step 6: Final answer
    x = 539.71

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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.