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Finding the Fourth Proportional to 304.94, 456.78 and 227

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Solution

The fourth proportional to 304.94, 456.78 and 227 is: 340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.94 : 456.78 = 227 : x
  2. Step 2: Convert to fraction form
    304.94/456.78 = 227/x
  3. Step 3: Cross multiply
    304.94x = 456.78 × 227
  4. Step 4: Simplify right side
    304.94x = 103,689.06
  5. Step 5: Solve for x
    x = 103,689.06/304.94
  6. Step 6: Final answer
    x = 340.03

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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.