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Finding the Fourth Proportional to 605.87, 911.88 and 452.61

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Solution

The fourth proportional to 605.87, 911.88 and 452.61 is: 681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.87 : 911.88 = 452.61 : x
  2. Step 2: Convert to fraction form
    605.87/911.88 = 452.61/x
  3. Step 3: Cross multiply
    605.87x = 911.88 × 452.61
  4. Step 4: Simplify right side
    605.87x = 412,721.21
  5. Step 5: Solve for x
    x = 412,721.21/605.87
  6. Step 6: Final answer
    x = 681.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.