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Finding the Fourth Proportional to 224.25, 336.75 and 207.41

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Solution

The fourth proportional to 224.25, 336.75 and 207.41 is: 311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.25 : 336.75 = 207.41 : x
  2. Step 2: Convert to fraction form
    224.25/336.75 = 207.41/x
  3. Step 3: Cross multiply
    224.25x = 336.75 × 207.41
  4. Step 4: Simplify right side
    224.25x = 69,844.12
  5. Step 5: Solve for x
    x = 69,844.12/224.25
  6. Step 6: Final answer
    x = 311.46

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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.