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Finding the Fourth Proportional to 633.55, 950.33 and 243.73

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Solution

The fourth proportional to 633.55, 950.33 and 243.73 is: 365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.55 : 950.33 = 243.73 : x
  2. Step 2: Convert to fraction form
    633.55/950.33 = 243.73/x
  3. Step 3: Cross multiply
    633.55x = 950.33 × 243.73
  4. Step 4: Simplify right side
    633.55x = 231,623.93
  5. Step 5: Solve for x
    x = 231,623.93/633.55
  6. Step 6: Final answer
    x = 365.60

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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.