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Finding the Fourth Proportional to 303.36, 454.27 and 200.49

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Solution

The fourth proportional to 303.36, 454.27 and 200.49 is: 300.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.36 : 454.27 = 200.49 : x
  2. Step 2: Convert to fraction form
    303.36/454.27 = 200.49/x
  3. Step 3: Cross multiply
    303.36x = 454.27 × 200.49
  4. Step 4: Simplify right side
    303.36x = 91,076.66
  5. Step 5: Solve for x
    x = 91,076.66/303.36
  6. Step 6: Final answer
    x = 300.23

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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.