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Finding the Fourth Proportional to 299.36, 449.04 and 104.37

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Solution

The fourth proportional to 299.36, 449.04 and 104.37 is: 156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.36 : 449.04 = 104.37 : x
  2. Step 2: Convert to fraction form
    299.36/449.04 = 104.37/x
  3. Step 3: Cross multiply
    299.36x = 449.04 × 104.37
  4. Step 4: Simplify right side
    299.36x = 46,865.18
  5. Step 5: Solve for x
    x = 46,865.18/299.36
  6. Step 6: Final answer
    x = 156.55

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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.