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Finding the Fourth Proportional to 300.11, 450.16 and 248.85

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Solution

The fourth proportional to 300.11, 450.16 and 248.85 is: 373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.11 : 450.16 = 248.85 : x
  2. Step 2: Convert to fraction form
    300.11/450.16 = 248.85/x
  3. Step 3: Cross multiply
    300.11x = 450.16 × 248.85
  4. Step 4: Simplify right side
    300.11x = 112,020.43
  5. Step 5: Solve for x
    x = 112,020.43/300.11
  6. Step 6: Final answer
    x = 373.27

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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.