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Finding the Fourth Proportional to 444.64, 613.69 and 267.75

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Solution

The fourth proportional to 444.64, 613.69 and 267.75 is: 369.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.64 : 613.69 = 267.75 : x
  2. Step 2: Convert to fraction form
    444.64/613.69 = 267.75/x
  3. Step 3: Cross multiply
    444.64x = 613.69 × 267.75
  4. Step 4: Simplify right side
    444.64x = 164,311.09
  5. Step 5: Solve for x
    x = 164,311.09/444.64
  6. Step 6: Final answer
    x = 369.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.