Finding the Fourth Proportional to 163.87, 226.05 and 98.26
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Solution
The fourth proportional to 163.87, 226.05 and 98.26 is: 135.54
Step by Step Solution
- Step 1: Write the proportion equation
163.87 : 226.05 = 98.26 : x - Step 2: Convert to fraction form
163.87/226.05 = 98.26/x - Step 3: Cross multiply
163.87x = 226.05 × 98.26 - Step 4: Simplify right side
163.87x = 22,211.67 - Step 5: Solve for x
x = 22,211.67/163.87 - Step 6: Final answer
x = 135.54
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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.