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Finding the Fourth Proportional to 307.14, 461.67 and 267.06

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Solution

The fourth proportional to 307.14, 461.67 and 267.06 is: 401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    307.14 : 461.67 = 267.06 : x
  2. Step 2: Convert to fraction form
    307.14/461.67 = 267.06/x
  3. Step 3: Cross multiply
    307.14x = 461.67 × 267.06
  4. Step 4: Simplify right side
    307.14x = 123,293.59
  5. Step 5: Solve for x
    x = 123,293.59/307.14
  6. Step 6: Final answer
    x = 401.42

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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.