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Finding the Fourth Proportional to 634.02, 950 and 386.94

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Solution

The fourth proportional to 634.02, 950 and 386.94 is: 579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.02 : 950 = 386.94 : x
  2. Step 2: Convert to fraction form
    634.02/950 = 386.94/x
  3. Step 3: Cross multiply
    634.02x = 950 × 386.94
  4. Step 4: Simplify right side
    634.02x = 367,593
  5. Step 5: Solve for x
    x = 367,593/634.02
  6. Step 6: Final answer
    x = 579.78

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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.