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Finding the Fourth Proportional to 225.13, 335.14 and 223.76

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Solution

The fourth proportional to 225.13, 335.14 and 223.76 is: 333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.13 : 335.14 = 223.76 : x
  2. Step 2: Convert to fraction form
    225.13/335.14 = 223.76/x
  3. Step 3: Cross multiply
    225.13x = 335.14 × 223.76
  4. Step 4: Simplify right side
    225.13x = 74,991.20
  5. Step 5: Solve for x
    x = 74,991.20/225.13
  6. Step 6: Final answer
    x = 333.10

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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.