Finding the Fourth Proportional to 134.19, 201.08 and 119.75
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Solution
The fourth proportional to 134.19, 201.08 and 119.75 is: 179.44
Step by Step Solution
- Step 1: Write the proportion equation
134.19 : 201.08 = 119.75 : x - Step 2: Convert to fraction form
134.19/201.08 = 119.75/x - Step 3: Cross multiply
134.19x = 201.08 × 119.75 - Step 4: Simplify right side
134.19x = 24,078.62 - Step 5: Solve for x
x = 24,078.62/134.19 - Step 6: Final answer
x = 179.44
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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.