Home / 336.20-464.11-218.18

Finding the Fourth Proportional to 336.20, 464.11 and 218.18

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Solution

The fourth proportional to 336.20, 464.11 and 218.18 is: 301.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.20 : 464.11 = 218.18 : x
  2. Step 2: Convert to fraction form
    336.20/464.11 = 218.18/x
  3. Step 3: Cross multiply
    336.20x = 464.11 × 218.18
  4. Step 4: Simplify right side
    336.20x = 101,260.13
  5. Step 5: Solve for x
    x = 101,260.13/336.20
  6. Step 6: Final answer
    x = 301.19

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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.