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Finding the Fourth Proportional to 605.04, 834.60 and 531.54

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Solution

The fourth proportional to 605.04, 834.60 and 531.54 is: 733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.04 : 834.60 = 531.54 : x
  2. Step 2: Convert to fraction form
    605.04/834.60 = 531.54/x
  3. Step 3: Cross multiply
    605.04x = 834.60 × 531.54
  4. Step 4: Simplify right side
    605.04x = 443,623.28
  5. Step 5: Solve for x
    x = 443,623.28/605.04
  6. Step 6: Final answer
    x = 733.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.