Finding the Fourth Proportional to 235.23, 352.64 and 163.14
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Solution
The fourth proportional to 235.23, 352.64 and 163.14 is: 244.57
Step by Step Solution
- Step 1: Write the proportion equation
235.23 : 352.64 = 163.14 : x - Step 2: Convert to fraction form
235.23/352.64 = 163.14/x - Step 3: Cross multiply
235.23x = 352.64 × 163.14 - Step 4: Simplify right side
235.23x = 57,530.10 - Step 5: Solve for x
x = 57,530.10/235.23 - Step 6: Final answer
x = 244.57
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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.