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Finding the Fourth Proportional to 537.88, 806.82 and 456.52

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Solution

The fourth proportional to 537.88, 806.82 and 456.52 is: 684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.88 : 806.82 = 456.52 : x
  2. Step 2: Convert to fraction form
    537.88/806.82 = 456.52/x
  3. Step 3: Cross multiply
    537.88x = 806.82 × 456.52
  4. Step 4: Simplify right side
    537.88x = 368,329.47
  5. Step 5: Solve for x
    x = 368,329.47/537.88
  6. Step 6: Final answer
    x = 684.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.