Finding the Fourth Proportional to 119.63, 179.26 and 107.44
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Solution
The fourth proportional to 119.63, 179.26 and 107.44 is: 160.98
Step by Step Solution
- Step 1: Write the proportion equation
119.63 : 179.26 = 107.44 : x - Step 2: Convert to fraction form
119.63/179.26 = 107.44/x - Step 3: Cross multiply
119.63x = 179.26 × 107.44 - Step 4: Simplify right side
119.63x = 19,258.98 - Step 5: Solve for x
x = 19,258.98/119.63 - Step 6: Final answer
x = 160.98
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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.