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Finding the Fourth Proportional to 533.57, 801.27 and 329.35

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Solution

The fourth proportional to 533.57, 801.27 and 329.35 is: 494.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.57 : 801.27 = 329.35 : x
  2. Step 2: Convert to fraction form
    533.57/801.27 = 329.35/x
  3. Step 3: Cross multiply
    533.57x = 801.27 × 329.35
  4. Step 4: Simplify right side
    533.57x = 263,894.27
  5. Step 5: Solve for x
    x = 263,894.27/533.57
  6. Step 6: Final answer
    x = 494.58

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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.