Finding the Fourth Proportional to 271.21, 374.10 and 177.99
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Solution
The fourth proportional to 271.21, 374.10 and 177.99 is: 245.51
Step by Step Solution
- Step 1: Write the proportion equation
271.21 : 374.10 = 177.99 : x - Step 2: Convert to fraction form
271.21/374.10 = 177.99/x - Step 3: Cross multiply
271.21x = 374.10 × 177.99 - Step 4: Simplify right side
271.21x = 66,586.06 - Step 5: Solve for x
x = 66,586.06/271.21 - Step 6: Final answer
x = 245.51
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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.