Finding the Fourth Proportional to 163.99, 226.22 and 104.95
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Solution
The fourth proportional to 163.99, 226.22 and 104.95 is: 144.78
Step by Step Solution
- Step 1: Write the proportion equation
163.99 : 226.22 = 104.95 : x - Step 2: Convert to fraction form
163.99/226.22 = 104.95/x - Step 3: Cross multiply
163.99x = 226.22 × 104.95 - Step 4: Simplify right side
163.99x = 23,741.79 - Step 5: Solve for x
x = 23,741.79/163.99 - Step 6: Final answer
x = 144.78
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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.