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Finding the Fourth Proportional to 610.54, 844.73 and 516.98

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Solution

The fourth proportional to 610.54, 844.73 and 516.98 is: 715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.54 : 844.73 = 516.98 : x
  2. Step 2: Convert to fraction form
    610.54/844.73 = 516.98/x
  3. Step 3: Cross multiply
    610.54x = 844.73 × 516.98
  4. Step 4: Simplify right side
    610.54x = 436,709.98
  5. Step 5: Solve for x
    x = 436,709.98/610.54
  6. Step 6: Final answer
    x = 715.29

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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.