Finding the Fourth Proportional to 229.62, 344.43 and 107.99
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Solution
The fourth proportional to 229.62, 344.43 and 107.99 is: 161.99
Step by Step Solution
- Step 1: Write the proportion equation
229.62 : 344.43 = 107.99 : x - Step 2: Convert to fraction form
229.62/344.43 = 107.99/x - Step 3: Cross multiply
229.62x = 344.43 × 107.99 - Step 4: Simplify right side
229.62x = 37,195.00 - Step 5: Solve for x
x = 37,195.00/229.62 - Step 6: Final answer
x = 161.99
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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.