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Finding the Fourth Proportional to 533.02, 799.23 and 289.41

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Solution

The fourth proportional to 533.02, 799.23 and 289.41 is: 433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.02 : 799.23 = 289.41 : x
  2. Step 2: Convert to fraction form
    533.02/799.23 = 289.41/x
  3. Step 3: Cross multiply
    533.02x = 799.23 × 289.41
  4. Step 4: Simplify right side
    533.02x = 231,305.15
  5. Step 5: Solve for x
    x = 231,305.15/533.02
  6. Step 6: Final answer
    x = 433.95

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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.