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Finding the Fourth Proportional to 224.68, 336.54 and 192.32

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Solution

The fourth proportional to 224.68, 336.54 and 192.32 is: 288.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.68 : 336.54 = 192.32 : x
  2. Step 2: Convert to fraction form
    224.68/336.54 = 192.32/x
  3. Step 3: Cross multiply
    224.68x = 336.54 × 192.32
  4. Step 4: Simplify right side
    224.68x = 64,723.37
  5. Step 5: Solve for x
    x = 64,723.37/224.68
  6. Step 6: Final answer
    x = 288.07

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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.