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Finding the Fourth Proportional to 636.84, 950.84 and 630.23

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Solution

The fourth proportional to 636.84, 950.84 and 630.23 is: 940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    636.84 : 950.84 = 630.23 : x
  2. Step 2: Convert to fraction form
    636.84/950.84 = 630.23/x
  3. Step 3: Cross multiply
    636.84x = 950.84 × 630.23
  4. Step 4: Simplify right side
    636.84x = 599,247.70
  5. Step 5: Solve for x
    x = 599,247.70/636.84
  6. Step 6: Final answer
    x = 940.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.