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Finding the Fourth Proportional to 223.36, 332.54 and 222.28

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Solution

The fourth proportional to 223.36, 332.54 and 222.28 is: 330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.36 : 332.54 = 222.28 : x
  2. Step 2: Convert to fraction form
    223.36/332.54 = 222.28/x
  3. Step 3: Cross multiply
    223.36x = 332.54 × 222.28
  4. Step 4: Simplify right side
    223.36x = 73,916.99
  5. Step 5: Solve for x
    x = 73,916.99/223.36
  6. Step 6: Final answer
    x = 330.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.