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Finding the Fourth Proportional to 699.96, 963.82 and 552.12

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Solution

The fourth proportional to 699.96, 963.82 and 552.12 is: 760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    699.96 : 963.82 = 552.12 : x
  2. Step 2: Convert to fraction form
    699.96/963.82 = 552.12/x
  3. Step 3: Cross multiply
    699.96x = 963.82 × 552.12
  4. Step 4: Simplify right side
    699.96x = 532,144.30
  5. Step 5: Solve for x
    x = 532,144.30/699.96
  6. Step 6: Final answer
    x = 760.25

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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.