Finding the Fourth Proportional to 201.14, 302.08 and 120.48
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Solution
The fourth proportional to 201.14, 302.08 and 120.48 is: 180.94
Step by Step Solution
- Step 1: Write the proportion equation
201.14 : 302.08 = 120.48 : x - Step 2: Convert to fraction form
201.14/302.08 = 120.48/x - Step 3: Cross multiply
201.14x = 302.08 × 120.48 - Step 4: Simplify right side
201.14x = 36,394.52 - Step 5: Solve for x
x = 36,394.52/201.14 - Step 6: Final answer
x = 180.94
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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.