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Finding the Fourth Proportional to 271.26, 374.22 and 193.50

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Solution

The fourth proportional to 271.26, 374.22 and 193.50 is: 266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.26 : 374.22 = 193.50 : x
  2. Step 2: Convert to fraction form
    271.26/374.22 = 193.50/x
  3. Step 3: Cross multiply
    271.26x = 374.22 × 193.50
  4. Step 4: Simplify right side
    271.26x = 72,411.57
  5. Step 5: Solve for x
    x = 72,411.57/271.26
  6. Step 6: Final answer
    x = 266.95

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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.