Finding the Fourth Proportional to 154.19, 232.02 and 126.96
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Solution
The fourth proportional to 154.19, 232.02 and 126.96 is: 191.05
Step by Step Solution
- Step 1: Write the proportion equation
154.19 : 232.02 = 126.96 : x - Step 2: Convert to fraction form
154.19/232.02 = 126.96/x - Step 3: Cross multiply
154.19x = 232.02 × 126.96 - Step 4: Simplify right side
154.19x = 29,457.26 - Step 5: Solve for x
x = 29,457.26/154.19 - Step 6: Final answer
x = 191.05
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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.