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Finding the Fourth Proportional to 704.70, 965.90 and 694.62

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Solution

The fourth proportional to 704.70, 965.90 and 694.62 is: 952.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.70 : 965.90 = 694.62 : x
  2. Step 2: Convert to fraction form
    704.70/965.90 = 694.62/x
  3. Step 3: Cross multiply
    704.70x = 965.90 × 694.62
  4. Step 4: Simplify right side
    704.70x = 670,929.98
  5. Step 5: Solve for x
    x = 670,929.98/704.70
  6. Step 6: Final answer
    x = 952.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.