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Finding the Fourth Proportional to 225.34, 336.06 and 203.47

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Solution

The fourth proportional to 225.34, 336.06 and 203.47 is: 303.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.34 : 336.06 = 203.47 : x
  2. Step 2: Convert to fraction form
    225.34/336.06 = 203.47/x
  3. Step 3: Cross multiply
    225.34x = 336.06 × 203.47
  4. Step 4: Simplify right side
    225.34x = 68,375.43
  5. Step 5: Solve for x
    x = 68,375.43/225.34
  6. Step 6: Final answer
    x = 303.44

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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.