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Finding the Fourth Proportional to 366.90, 506.16 and 226.92

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Solution

The fourth proportional to 366.90, 506.16 and 226.92 is: 313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.90 : 506.16 = 226.92 : x
  2. Step 2: Convert to fraction form
    366.90/506.16 = 226.92/x
  3. Step 3: Cross multiply
    366.90x = 506.16 × 226.92
  4. Step 4: Simplify right side
    366.90x = 114,857.83
  5. Step 5: Solve for x
    x = 114,857.83/366.90
  6. Step 6: Final answer
    x = 313.05

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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.