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Finding the Fourth Proportional to 367.02, 553.83 and 354.15

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Solution

The fourth proportional to 367.02, 553.83 and 354.15 is: 534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.02 : 553.83 = 354.15 : x
  2. Step 2: Convert to fraction form
    367.02/553.83 = 354.15/x
  3. Step 3: Cross multiply
    367.02x = 553.83 × 354.15
  4. Step 4: Simplify right side
    367.02x = 196,138.89
  5. Step 5: Solve for x
    x = 196,138.89/367.02
  6. Step 6: Final answer
    x = 534.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.