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Finding the Fourth Proportional to 224.02, 333.32 and 218.44

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Solution

The fourth proportional to 224.02, 333.32 and 218.44 is: 325.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.02 : 333.32 = 218.44 : x
  2. Step 2: Convert to fraction form
    224.02/333.32 = 218.44/x
  3. Step 3: Cross multiply
    224.02x = 333.32 × 218.44
  4. Step 4: Simplify right side
    224.02x = 72,810.42
  5. Step 5: Solve for x
    x = 72,810.42/224.02
  6. Step 6: Final answer
    x = 325.02

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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.