Finding the Fourth Proportional to 271.09, 374.16 and 177.99
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Solution
The fourth proportional to 271.09, 374.16 and 177.99 is: 245.66
Step by Step Solution
- Step 1: Write the proportion equation
271.09 : 374.16 = 177.99 : x - Step 2: Convert to fraction form
271.09/374.16 = 177.99/x - Step 3: Cross multiply
271.09x = 374.16 × 177.99 - Step 4: Simplify right side
271.09x = 66,596.74 - Step 5: Solve for x
x = 66,596.74/271.09 - Step 6: Final answer
x = 245.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.