Finding the Fourth Proportional to 163.08, 225.06 and 96.68
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Solution
The fourth proportional to 163.08, 225.06 and 96.68 is: 133.42
Step by Step Solution
- Step 1: Write the proportion equation
163.08 : 225.06 = 96.68 : x - Step 2: Convert to fraction form
163.08/225.06 = 96.68/x - Step 3: Cross multiply
163.08x = 225.06 × 96.68 - Step 4: Simplify right side
163.08x = 21,757.68 - Step 5: Solve for x
x = 21,757.68/163.08 - Step 6: Final answer
x = 133.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.