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Finding the Fourth Proportional to 371.36, 554.76 and 267.76

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Solution

The fourth proportional to 371.36, 554.76 and 267.76 is: 400.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.36 : 554.76 = 267.76 : x
  2. Step 2: Convert to fraction form
    371.36/554.76 = 267.76/x
  3. Step 3: Cross multiply
    371.36x = 554.76 × 267.76
  4. Step 4: Simplify right side
    371.36x = 148,542.54
  5. Step 5: Solve for x
    x = 148,542.54/371.36
  6. Step 6: Final answer
    x = 400.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.