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Finding the Fourth Proportional to 662.03, 913.55 and 367.30

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Solution

The fourth proportional to 662.03, 913.55 and 367.30 is: 506.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.03 : 913.55 = 367.30 : x
  2. Step 2: Convert to fraction form
    662.03/913.55 = 367.30/x
  3. Step 3: Cross multiply
    662.03x = 913.55 × 367.30
  4. Step 4: Simplify right side
    662.03x = 335,542.79
  5. Step 5: Solve for x
    x = 335,542.79/662.03
  6. Step 6: Final answer
    x = 506.84

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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.