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Finding the Fourth Proportional to 662.10, 913.62 and 367.32

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Solution

The fourth proportional to 662.10, 913.62 and 367.32 is: 506.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.10 : 913.62 = 367.32 : x
  2. Step 2: Convert to fraction form
    662.10/913.62 = 367.32/x
  3. Step 3: Cross multiply
    662.10x = 913.62 × 367.32
  4. Step 4: Simplify right side
    662.10x = 335,590.90
  5. Step 5: Solve for x
    x = 335,590.90/662.10
  6. Step 6: Final answer
    x = 506.86

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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.