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Finding the Fourth Proportional to 360.17, 496.77 and 227.25

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Solution

The fourth proportional to 360.17, 496.77 and 227.25 is: 313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.17 : 496.77 = 227.25 : x
  2. Step 2: Convert to fraction form
    360.17/496.77 = 227.25/x
  3. Step 3: Cross multiply
    360.17x = 496.77 × 227.25
  4. Step 4: Simplify right side
    360.17x = 112,890.98
  5. Step 5: Solve for x
    x = 112,890.98/360.17
  6. Step 6: Final answer
    x = 313.44

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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.