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Finding the Fourth Proportional to 633.15, 950.12 and 359.43

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Solution

The fourth proportional to 633.15, 950.12 and 359.43 is: 539.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.15 : 950.12 = 359.43 : x
  2. Step 2: Convert to fraction form
    633.15/950.12 = 359.43/x
  3. Step 3: Cross multiply
    633.15x = 950.12 × 359.43
  4. Step 4: Simplify right side
    633.15x = 341,499.83
  5. Step 5: Solve for x
    x = 341,499.83/633.15
  6. Step 6: Final answer
    x = 539.37

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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.