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Finding the Fourth Proportional to 371.67, 553.29 and 367.56

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Solution

The fourth proportional to 371.67, 553.29 and 367.56 is: 547.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.67 : 553.29 = 367.56 : x
  2. Step 2: Convert to fraction form
    371.67/553.29 = 367.56/x
  3. Step 3: Cross multiply
    371.67x = 553.29 × 367.56
  4. Step 4: Simplify right side
    371.67x = 203,367.27
  5. Step 5: Solve for x
    x = 203,367.27/371.67
  6. Step 6: Final answer
    x = 547.17

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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.