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Finding the Fourth Proportional to 242.24, 363.27 and 223.03

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Solution

The fourth proportional to 242.24, 363.27 and 223.03 is: 334.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.24 : 363.27 = 223.03 : x
  2. Step 2: Convert to fraction form
    242.24/363.27 = 223.03/x
  3. Step 3: Cross multiply
    242.24x = 363.27 × 223.03
  4. Step 4: Simplify right side
    242.24x = 81,018.65
  5. Step 5: Solve for x
    x = 81,018.65/242.24
  6. Step 6: Final answer
    x = 334.46

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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.