Finding the Fourth Proportional to 229.79, 344.52 and 107.99
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Solution
The fourth proportional to 229.79, 344.52 and 107.99 is: 161.90
Step by Step Solution
- Step 1: Write the proportion equation
229.79 : 344.52 = 107.99 : x - Step 2: Convert to fraction form
229.79/344.52 = 107.99/x - Step 3: Cross multiply
229.79x = 344.52 × 107.99 - Step 4: Simplify right side
229.79x = 37,202.99 - Step 5: Solve for x
x = 37,202.99/229.79 - Step 6: Final answer
x = 161.90
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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.