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Finding the Fourth Proportional to 634.99, 952.00 and 403.84

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Solution

The fourth proportional to 634.99, 952.00 and 403.84 is: 605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.99 : 952.00 = 403.84 : x
  2. Step 2: Convert to fraction form
    634.99/952.00 = 403.84/x
  3. Step 3: Cross multiply
    634.99x = 952.00 × 403.84
  4. Step 4: Simplify right side
    634.99x = 384,452.78
  5. Step 5: Solve for x
    x = 384,452.78/634.99
  6. Step 6: Final answer
    x = 605.45

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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.