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Finding the Fourth Proportional to 227.68, 341.44 and 65.36

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Solution

The fourth proportional to 227.68, 341.44 and 65.36 is: 98.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.68 : 341.44 = 65.36 : x
  2. Step 2: Convert to fraction form
    227.68/341.44 = 65.36/x
  3. Step 3: Cross multiply
    227.68x = 341.44 × 65.36
  4. Step 4: Simplify right side
    227.68x = 22,317.21
  5. Step 5: Solve for x
    x = 22,317.21/227.68
  6. Step 6: Final answer
    x = 98.02

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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.