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Finding the Fourth Proportional to 633.02, 941.83 and 620.73

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Solution

The fourth proportional to 633.02, 941.83 and 620.73 is: 923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.02 : 941.83 = 620.73 : x
  2. Step 2: Convert to fraction form
    633.02/941.83 = 620.73/x
  3. Step 3: Cross multiply
    633.02x = 941.83 × 620.73
  4. Step 4: Simplify right side
    633.02x = 584,620.58
  5. Step 5: Solve for x
    x = 584,620.58/633.02
  6. Step 6: Final answer
    x = 923.55

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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.