Finding the Fourth Proportional to 201.84, 303.12 and 181.68
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Solution
The fourth proportional to 201.84, 303.12 and 181.68 is: 272.84
Step by Step Solution
- Step 1: Write the proportion equation
201.84 : 303.12 = 181.68 : x - Step 2: Convert to fraction form
201.84/303.12 = 181.68/x - Step 3: Cross multiply
201.84x = 303.12 × 181.68 - Step 4: Simplify right side
201.84x = 55,070.84 - Step 5: Solve for x
x = 55,070.84/201.84 - Step 6: Final answer
x = 272.84
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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.