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Finding the Fourth Proportional to 699.14, 965.04 and 650.54

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Solution

The fourth proportional to 699.14, 965.04 and 650.54 is: 897.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    699.14 : 965.04 = 650.54 : x
  2. Step 2: Convert to fraction form
    699.14/965.04 = 650.54/x
  3. Step 3: Cross multiply
    699.14x = 965.04 × 650.54
  4. Step 4: Simplify right side
    699.14x = 627,797.12
  5. Step 5: Solve for x
    x = 627,797.12/699.14
  6. Step 6: Final answer
    x = 897.96

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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.