Finding the Fourth Proportional to 231.96, 348.08 and 94.99
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Solution
The fourth proportional to 231.96, 348.08 and 94.99 is: 142.54
Step by Step Solution
- Step 1: Write the proportion equation
231.96 : 348.08 = 94.99 : x - Step 2: Convert to fraction form
231.96/348.08 = 94.99/x - Step 3: Cross multiply
231.96x = 348.08 × 94.99 - Step 4: Simplify right side
231.96x = 33,064.12 - Step 5: Solve for x
x = 33,064.12/231.96 - Step 6: Final answer
x = 142.54
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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.