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Finding the Fourth Proportional to 537.18, 806.80 and 333.18

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Solution

The fourth proportional to 537.18, 806.80 and 333.18 is: 500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.18 : 806.80 = 333.18 : x
  2. Step 2: Convert to fraction form
    537.18/806.80 = 333.18/x
  3. Step 3: Cross multiply
    537.18x = 806.80 × 333.18
  4. Step 4: Simplify right side
    537.18x = 268,805.54
  5. Step 5: Solve for x
    x = 268,805.54/537.18
  6. Step 6: Final answer
    x = 500.40

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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.