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Finding the Fourth Proportional to 303.64, 453.24 and 267.19

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Solution

The fourth proportional to 303.64, 453.24 and 267.19 is: 398.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.64 : 453.24 = 267.19 : x
  2. Step 2: Convert to fraction form
    303.64/453.24 = 267.19/x
  3. Step 3: Cross multiply
    303.64x = 453.24 × 267.19
  4. Step 4: Simplify right side
    303.64x = 121,100.06
  5. Step 5: Solve for x
    x = 121,100.06/303.64
  6. Step 6: Final answer
    x = 398.83

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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.