Finding the Fourth Proportional to 226.63, 339.78 and 110.99
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Solution
The fourth proportional to 226.63, 339.78 and 110.99 is: 166.40
Step by Step Solution
- Step 1: Write the proportion equation
226.63 : 339.78 = 110.99 : x - Step 2: Convert to fraction form
226.63/339.78 = 110.99/x - Step 3: Cross multiply
226.63x = 339.78 × 110.99 - Step 4: Simplify right side
226.63x = 37,712.18 - Step 5: Solve for x
x = 37,712.18/226.63 - Step 6: Final answer
x = 166.40
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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.