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Finding the Fourth Proportional to 696.94, 961.50 and 444.96

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Solution

The fourth proportional to 696.94, 961.50 and 444.96 is: 613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.94 : 961.50 = 444.96 : x
  2. Step 2: Convert to fraction form
    696.94/961.50 = 444.96/x
  3. Step 3: Cross multiply
    696.94x = 961.50 × 444.96
  4. Step 4: Simplify right side
    696.94x = 427,830.71
  5. Step 5: Solve for x
    x = 427,830.71/696.94
  6. Step 6: Final answer
    x = 613.87

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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.