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Finding the Fourth Proportional to 271.28, 373.77 and 183.80

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Solution

The fourth proportional to 271.28, 373.77 and 183.80 is: 253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.28 : 373.77 = 183.80 : x
  2. Step 2: Convert to fraction form
    271.28/373.77 = 183.80/x
  3. Step 3: Cross multiply
    271.28x = 373.77 × 183.80
  4. Step 4: Simplify right side
    271.28x = 68,698.93
  5. Step 5: Solve for x
    x = 68,698.93/271.28
  6. Step 6: Final answer
    x = 253.24

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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.