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Finding the Fourth Proportional to 613.14, 852.12 and 606.66

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Solution

The fourth proportional to 613.14, 852.12 and 606.66 is: 843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.14 : 852.12 = 606.66 : x
  2. Step 2: Convert to fraction form
    613.14/852.12 = 606.66/x
  3. Step 3: Cross multiply
    613.14x = 852.12 × 606.66
  4. Step 4: Simplify right side
    613.14x = 516,947.12
  5. Step 5: Solve for x
    x = 516,947.12/613.14
  6. Step 6: Final answer
    x = 843.11

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.