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Finding the Fourth Proportional to 644.50, 967.62 and 633.56

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Solution

The fourth proportional to 644.50, 967.62 and 633.56 is: 951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    644.50 : 967.62 = 633.56 : x
  2. Step 2: Convert to fraction form
    644.50/967.62 = 633.56/x
  3. Step 3: Cross multiply
    644.50x = 967.62 × 633.56
  4. Step 4: Simplify right side
    644.50x = 613,045.33
  5. Step 5: Solve for x
    x = 613,045.33/644.50
  6. Step 6: Final answer
    x = 951.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.