Finding the Fourth Proportional to 163.14, 225.08 and 113.92
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Solution
The fourth proportional to 163.14, 225.08 and 113.92 is: 157.17
Step by Step Solution
- Step 1: Write the proportion equation
163.14 : 225.08 = 113.92 : x - Step 2: Convert to fraction form
163.14/225.08 = 113.92/x - Step 3: Cross multiply
163.14x = 225.08 × 113.92 - Step 4: Simplify right side
163.14x = 25,641.11 - Step 5: Solve for x
x = 25,641.11/163.14 - Step 6: Final answer
x = 157.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.