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Finding the Fourth Proportional to 694.60, 952.25 and 693.76

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Solution

The fourth proportional to 694.60, 952.25 and 693.76 is: 951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.60 : 952.25 = 693.76 : x
  2. Step 2: Convert to fraction form
    694.60/952.25 = 693.76/x
  3. Step 3: Cross multiply
    694.60x = 952.25 × 693.76
  4. Step 4: Simplify right side
    694.60x = 660,632.96
  5. Step 5: Solve for x
    x = 660,632.96/694.60
  6. Step 6: Final answer
    x = 951.10

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1.5x scale

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.