Finding the Fourth Proportional to 201.84, 302.52 and 119.64
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Solution
The fourth proportional to 201.84, 302.52 and 119.64 is: 179.32
Step by Step Solution
- Step 1: Write the proportion equation
201.84 : 302.52 = 119.64 : x - Step 2: Convert to fraction form
201.84/302.52 = 119.64/x - Step 3: Cross multiply
201.84x = 302.52 × 119.64 - Step 4: Simplify right side
201.84x = 36,193.49 - Step 5: Solve for x
x = 36,193.49/201.84 - Step 6: Final answer
x = 179.32
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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.