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Finding the Fourth Proportional to 267.93, 371.48 and 253.35

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Solution

The fourth proportional to 267.93, 371.48 and 253.35 is: 351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.93 : 371.48 = 253.35 : x
  2. Step 2: Convert to fraction form
    267.93/371.48 = 253.35/x
  3. Step 3: Cross multiply
    267.93x = 371.48 × 253.35
  4. Step 4: Simplify right side
    267.93x = 94,115.09
  5. Step 5: Solve for x
    x = 94,115.09/267.93
  6. Step 6: Final answer
    x = 351.27

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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.