Finding the Fourth Proportional to 226.22, 339.42 and 79.99
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Solution
The fourth proportional to 226.22, 339.42 and 79.99 is: 120.02
Step by Step Solution
- Step 1: Write the proportion equation
226.22 : 339.42 = 79.99 : x - Step 2: Convert to fraction form
226.22/339.42 = 79.99/x - Step 3: Cross multiply
226.22x = 339.42 × 79.99 - Step 4: Simplify right side
226.22x = 27,150.21 - Step 5: Solve for x
x = 27,150.21/226.22 - Step 6: Final answer
x = 120.02
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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.