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Finding the Fourth Proportional to 666.08, 919.16 and 367.33

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Solution

The fourth proportional to 666.08, 919.16 and 367.33 is: 506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    666.08 : 919.16 = 367.33 : x
  2. Step 2: Convert to fraction form
    666.08/919.16 = 367.33/x
  3. Step 3: Cross multiply
    666.08x = 919.16 × 367.33
  4. Step 4: Simplify right side
    666.08x = 337,636.08
  5. Step 5: Solve for x
    x = 337,636.08/666.08
  6. Step 6: Final answer
    x = 506.90

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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.