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Finding the Fourth Proportional to 314.36, 470.68 and 227.44

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Solution

The fourth proportional to 314.36, 470.68 and 227.44 is: 340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.36 : 470.68 = 227.44 : x
  2. Step 2: Convert to fraction form
    314.36/470.68 = 227.44/x
  3. Step 3: Cross multiply
    314.36x = 470.68 × 227.44
  4. Step 4: Simplify right side
    314.36x = 107,051.46
  5. Step 5: Solve for x
    x = 107,051.46/314.36
  6. Step 6: Final answer
    x = 340.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.