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Finding the Fourth Proportional to 796.07, 1,098.81 and 516.32

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Solution

The fourth proportional to 796.07, 1,098.81 and 516.32 is: 712.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.07 : 1,098.81 = 516.32 : x
  2. Step 2: Convert to fraction form
    796.07/1,098.81 = 516.32/x
  3. Step 3: Cross multiply
    796.07x = 1,098.81 × 516.32
  4. Step 4: Simplify right side
    796.07x = 567,332.09
  5. Step 5: Solve for x
    x = 567,332.09/796.07
  6. Step 6: Final answer
    x = 712.67

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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.