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Finding the Fourth Proportional to 569.92, 850.25 and 516.87

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Solution

The fourth proportional to 569.92, 850.25 and 516.87 is: 771.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.92 : 850.25 = 516.87 : x
  2. Step 2: Convert to fraction form
    569.92/850.25 = 516.87/x
  3. Step 3: Cross multiply
    569.92x = 850.25 × 516.87
  4. Step 4: Simplify right side
    569.92x = 439,468.72
  5. Step 5: Solve for x
    x = 439,468.72/569.92
  6. Step 6: Final answer
    x = 771.11

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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.