Finding the Fourth Proportional to 181.63, 272.08 and 83.99
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Solution
The fourth proportional to 181.63, 272.08 and 83.99 is: 125.81
Step by Step Solution
- Step 1: Write the proportion equation
181.63 : 272.08 = 83.99 : x - Step 2: Convert to fraction form
181.63/272.08 = 83.99/x - Step 3: Cross multiply
181.63x = 272.08 × 83.99 - Step 4: Simplify right side
181.63x = 22,850.90 - Step 5: Solve for x
x = 22,850.90/181.63 - Step 6: Final answer
x = 125.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.