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Finding the Fourth Proportional to 533.31, 800.13 and 273.49

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Solution

The fourth proportional to 533.31, 800.13 and 273.49 is: 410.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.31 : 800.13 = 273.49 : x
  2. Step 2: Convert to fraction form
    533.31/800.13 = 273.49/x
  3. Step 3: Cross multiply
    533.31x = 800.13 × 273.49
  4. Step 4: Simplify right side
    533.31x = 218,830.29
  5. Step 5: Solve for x
    x = 218,830.29/533.31
  6. Step 6: Final answer
    x = 410.32

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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.