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Finding the Fourth Proportional to 699.68, 963.26 and 606.13

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Solution

The fourth proportional to 699.68, 963.26 and 606.13 is: 834.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    699.68 : 963.26 = 606.13 : x
  2. Step 2: Convert to fraction form
    699.68/963.26 = 606.13/x
  3. Step 3: Cross multiply
    699.68x = 963.26 × 606.13
  4. Step 4: Simplify right side
    699.68x = 583,859.89
  5. Step 5: Solve for x
    x = 583,859.89/699.68
  6. Step 6: Final answer
    x = 834.46

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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.