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Finding the Fourth Proportional to 293.22, 438.66 and 224.22

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Solution

The fourth proportional to 293.22, 438.66 and 224.22 is: 335.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.22 : 438.66 = 224.22 : x
  2. Step 2: Convert to fraction form
    293.22/438.66 = 224.22/x
  3. Step 3: Cross multiply
    293.22x = 438.66 × 224.22
  4. Step 4: Simplify right side
    293.22x = 98,356.35
  5. Step 5: Solve for x
    x = 98,356.35/293.22
  6. Step 6: Final answer
    x = 335.44

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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.