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Finding the Fourth Proportional to 549.93, 825.09 and 344.26

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Solution

The fourth proportional to 549.93, 825.09 and 344.26 is: 516.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.93 : 825.09 = 344.26 : x
  2. Step 2: Convert to fraction form
    549.93/825.09 = 344.26/x
  3. Step 3: Cross multiply
    549.93x = 825.09 × 344.26
  4. Step 4: Simplify right side
    549.93x = 284,039.64
  5. Step 5: Solve for x
    x = 284,039.64/549.93
  6. Step 6: Final answer
    x = 516.51

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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.