Finding the Fourth Proportional to 181.17, 249.91 and 107.44
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Solution
The fourth proportional to 181.17, 249.91 and 107.44 is: 148.20
Step by Step Solution
- Step 1: Write the proportion equation
181.17 : 249.91 = 107.44 : x - Step 2: Convert to fraction form
181.17/249.91 = 107.44/x - Step 3: Cross multiply
181.17x = 249.91 × 107.44 - Step 4: Simplify right side
181.17x = 26,849.44 - Step 5: Solve for x
x = 26,849.44/181.17 - Step 6: Final answer
x = 148.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.