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Finding the Fourth Proportional to 335.56, 462.34 and 251.19

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Solution

The fourth proportional to 335.56, 462.34 and 251.19 is: 346.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.56 : 462.34 = 251.19 : x
  2. Step 2: Convert to fraction form
    335.56/462.34 = 251.19/x
  3. Step 3: Cross multiply
    335.56x = 462.34 × 251.19
  4. Step 4: Simplify right side
    335.56x = 116,135.18
  5. Step 5: Solve for x
    x = 116,135.18/335.56
  6. Step 6: Final answer
    x = 346.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.