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Finding the Fourth Proportional to 533.97, 801.41 and 209.56

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Solution

The fourth proportional to 533.97, 801.41 and 209.56 is: 314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.97 : 801.41 = 209.56 : x
  2. Step 2: Convert to fraction form
    533.97/801.41 = 209.56/x
  3. Step 3: Cross multiply
    533.97x = 801.41 × 209.56
  4. Step 4: Simplify right side
    533.97x = 167,943.48
  5. Step 5: Solve for x
    x = 167,943.48/533.97
  6. Step 6: Final answer
    x = 314.52

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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.