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Finding the Fourth Proportional to 633.81, 950.90 and 222.98

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Solution

The fourth proportional to 633.81, 950.90 and 222.98 is: 334.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.81 : 950.90 = 222.98 : x
  2. Step 2: Convert to fraction form
    633.81/950.90 = 222.98/x
  3. Step 3: Cross multiply
    633.81x = 950.90 × 222.98
  4. Step 4: Simplify right side
    633.81x = 212,025.81
  5. Step 5: Solve for x
    x = 212,025.81/633.81
  6. Step 6: Final answer
    x = 334.53

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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.