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Finding the Fourth Proportional to 303.63, 452.39 and 300.60

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Solution

The fourth proportional to 303.63, 452.39 and 300.60 is: 447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.63 : 452.39 = 300.60 : x
  2. Step 2: Convert to fraction form
    303.63/452.39 = 300.60/x
  3. Step 3: Cross multiply
    303.63x = 452.39 × 300.60
  4. Step 4: Simplify right side
    303.63x = 135,988.43
  5. Step 5: Solve for x
    x = 135,988.43/303.63
  6. Step 6: Final answer
    x = 447.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.