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Finding the Fourth Proportional to 634.25, 950.81 and 359.95

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Solution

The fourth proportional to 634.25, 950.81 and 359.95 is: 539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.25 : 950.81 = 359.95 : x
  2. Step 2: Convert to fraction form
    634.25/950.81 = 359.95/x
  3. Step 3: Cross multiply
    634.25x = 950.81 × 359.95
  4. Step 4: Simplify right side
    634.25x = 342,239.31
  5. Step 5: Solve for x
    x = 342,239.31/634.25
  6. Step 6: Final answer
    x = 539.60

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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.