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Finding the Fourth Proportional to 634.99, 952.39 and 245.18

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Solution

The fourth proportional to 634.99, 952.39 and 245.18 is: 367.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.99 : 952.39 = 245.18 : x
  2. Step 2: Convert to fraction form
    634.99/952.39 = 245.18/x
  3. Step 3: Cross multiply
    634.99x = 952.39 × 245.18
  4. Step 4: Simplify right side
    634.99x = 233,506.56
  5. Step 5: Solve for x
    x = 233,506.56/634.99
  6. Step 6: Final answer
    x = 367.73

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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.