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Finding the Fourth Proportional to 608.12, 912.24 and 223.36

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Solution

The fourth proportional to 608.12, 912.24 and 223.36 is: 335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.12 : 912.24 = 223.36 : x
  2. Step 2: Convert to fraction form
    608.12/912.24 = 223.36/x
  3. Step 3: Cross multiply
    608.12x = 912.24 × 223.36
  4. Step 4: Simplify right side
    608.12x = 203,757.93
  5. Step 5: Solve for x
    x = 203,757.93/608.12
  6. Step 6: Final answer
    x = 335.06

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Similar ratio
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1.5x scale

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.