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Finding the Fourth Proportional to 367.38, 553.77 and 359.10

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Solution

The fourth proportional to 367.38, 553.77 and 359.10 is: 541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.38 : 553.77 = 359.10 : x
  2. Step 2: Convert to fraction form
    367.38/553.77 = 359.10/x
  3. Step 3: Cross multiply
    367.38x = 553.77 × 359.10
  4. Step 4: Simplify right side
    367.38x = 198,858.81
  5. Step 5: Solve for x
    x = 198,858.81/367.38
  6. Step 6: Final answer
    x = 541.29

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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.