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Finding the Fourth Proportional to 271.88, 374.99 and 267.83

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Solution

The fourth proportional to 271.88, 374.99 and 267.83 is: 369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.88 : 374.99 = 267.83 : x
  2. Step 2: Convert to fraction form
    271.88/374.99 = 267.83/x
  3. Step 3: Cross multiply
    271.88x = 374.99 × 267.83
  4. Step 4: Simplify right side
    271.88x = 100,430.36
  5. Step 5: Solve for x
    x = 100,430.36/271.88
  6. Step 6: Final answer
    x = 369.40

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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.