Finding the Fourth Proportional to 235.44, 353.19 and 107.19
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Solution
The fourth proportional to 235.44, 353.19 and 107.19 is: 160.80
Step by Step Solution
- Step 1: Write the proportion equation
235.44 : 353.19 = 107.19 : x - Step 2: Convert to fraction form
235.44/353.19 = 107.19/x - Step 3: Cross multiply
235.44x = 353.19 × 107.19 - Step 4: Simplify right side
235.44x = 37,858.44 - Step 5: Solve for x
x = 37,858.44/235.44 - Step 6: Final answer
x = 160.80
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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.