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Finding the Fourth Proportional to 334.44, 501.48 and 225.72

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Solution

The fourth proportional to 334.44, 501.48 and 225.72 is: 338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.44 : 501.48 = 225.72 : x
  2. Step 2: Convert to fraction form
    334.44/501.48 = 225.72/x
  3. Step 3: Cross multiply
    334.44x = 501.48 × 225.72
  4. Step 4: Simplify right side
    334.44x = 113,194.07
  5. Step 5: Solve for x
    x = 113,194.07/334.44
  6. Step 6: Final answer
    x = 338.46

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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.