Finding the Fourth Proportional to 181.84, 272.70 and 132.94
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Solution
The fourth proportional to 181.84, 272.70 and 132.94 is: 199.37
Step by Step Solution
- Step 1: Write the proportion equation
181.84 : 272.70 = 132.94 : x - Step 2: Convert to fraction form
181.84/272.70 = 132.94/x - Step 3: Cross multiply
181.84x = 272.70 × 132.94 - Step 4: Simplify right side
181.84x = 36,252.74 - Step 5: Solve for x
x = 36,252.74/181.84 - Step 6: Final answer
x = 199.37
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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.