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Finding the Fourth Proportional to 533.86, 801.22 and 351.22

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Solution

The fourth proportional to 533.86, 801.22 and 351.22 is: 527.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.86 : 801.22 = 351.22 : x
  2. Step 2: Convert to fraction form
    533.86/801.22 = 351.22/x
  3. Step 3: Cross multiply
    533.86x = 801.22 × 351.22
  4. Step 4: Simplify right side
    533.86x = 281,404.49
  5. Step 5: Solve for x
    x = 281,404.49/533.86
  6. Step 6: Final answer
    x = 527.11

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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.