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Finding the Fourth Proportional to 608.38, 908.15 and 563.26

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Solution

The fourth proportional to 608.38, 908.15 and 563.26 is: 840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.38 : 908.15 = 563.26 : x
  2. Step 2: Convert to fraction form
    608.38/908.15 = 563.26/x
  3. Step 3: Cross multiply
    608.38x = 908.15 × 563.26
  4. Step 4: Simplify right side
    608.38x = 511,524.57
  5. Step 5: Solve for x
    x = 511,524.57/608.38
  6. Step 6: Final answer
    x = 840.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.