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Finding the Fourth Proportional to 270.33, 375.59 and 267.09

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Solution

The fourth proportional to 270.33, 375.59 and 267.09 is: 371.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.33 : 375.59 = 267.09 : x
  2. Step 2: Convert to fraction form
    270.33/375.59 = 267.09/x
  3. Step 3: Cross multiply
    270.33x = 375.59 × 267.09
  4. Step 4: Simplify right side
    270.33x = 100,315.00
  5. Step 5: Solve for x
    x = 100,315.00/270.33
  6. Step 6: Final answer
    x = 371.08

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.