Finding the Fourth Proportional to 127.67, 191.49 and 41.00
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Solution
The fourth proportional to 127.67, 191.49 and 41.00 is: 61.49
Step by Step Solution
- Step 1: Write the proportion equation
127.67 : 191.49 = 41.00 : x - Step 2: Convert to fraction form
127.67/191.49 = 41.00/x - Step 3: Cross multiply
127.67x = 191.49 × 41.00 - Step 4: Simplify right side
127.67x = 7,850.13 - Step 5: Solve for x
x = 7,850.13/127.67 - Step 6: Final answer
x = 61.49
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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.