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Finding the Fourth Proportional to 633.78, 950.82 and 222.96

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Solution

The fourth proportional to 633.78, 950.82 and 222.96 is: 334.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.78 : 950.82 = 222.96 : x
  2. Step 2: Convert to fraction form
    633.78/950.82 = 222.96/x
  3. Step 3: Cross multiply
    633.78x = 950.82 × 222.96
  4. Step 4: Simplify right side
    633.78x = 211,994.83
  5. Step 5: Solve for x
    x = 211,994.83/633.78
  6. Step 6: Final answer
    x = 334.49

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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.