Finding the Fourth Proportional to 163.95, 226.44 and 122.68
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Solution
The fourth proportional to 163.95, 226.44 and 122.68 is: 169.44
Step by Step Solution
- Step 1: Write the proportion equation
163.95 : 226.44 = 122.68 : x - Step 2: Convert to fraction form
163.95/226.44 = 122.68/x - Step 3: Cross multiply
163.95x = 226.44 × 122.68 - Step 4: Simplify right side
163.95x = 27,779.66 - Step 5: Solve for x
x = 27,779.66/163.95 - Step 6: Final answer
x = 169.44
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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.