Finding the Fourth Proportional to 235.98, 353.97 and 163.62
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Solution
The fourth proportional to 235.98, 353.97 and 163.62 is: 245.43
Step by Step Solution
- Step 1: Write the proportion equation
235.98 : 353.97 = 163.62 : x - Step 2: Convert to fraction form
235.98/353.97 = 163.62/x - Step 3: Cross multiply
235.98x = 353.97 × 163.62 - Step 4: Simplify right side
235.98x = 57,916.57 - Step 5: Solve for x
x = 57,916.57/235.98 - Step 6: Final answer
x = 245.43
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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.