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Finding the Fourth Proportional to 224.02, 336.03 and 214.91

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Solution

The fourth proportional to 224.02, 336.03 and 214.91 is: 322.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.02 : 336.03 = 214.91 : x
  2. Step 2: Convert to fraction form
    224.02/336.03 = 214.91/x
  3. Step 3: Cross multiply
    224.02x = 336.03 × 214.91
  4. Step 4: Simplify right side
    224.02x = 72,216.21
  5. Step 5: Solve for x
    x = 72,216.21/224.02
  6. Step 6: Final answer
    x = 322.37

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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.