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Finding the Fourth Proportional to 533.26, 803.50 and 443.96

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Solution

The fourth proportional to 533.26, 803.50 and 443.96 is: 668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.26 : 803.50 = 443.96 : x
  2. Step 2: Convert to fraction form
    533.26/803.50 = 443.96/x
  3. Step 3: Cross multiply
    533.26x = 803.50 × 443.96
  4. Step 4: Simplify right side
    533.26x = 356,721.86
  5. Step 5: Solve for x
    x = 356,721.86/533.26
  6. Step 6: Final answer
    x = 668.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.