Finding the Fourth Proportional to 163.94, 226.19 and 101.80
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Solution
The fourth proportional to 163.94, 226.19 and 101.80 is: 140.45
Step by Step Solution
- Step 1: Write the proportion equation
163.94 : 226.19 = 101.80 : x - Step 2: Convert to fraction form
163.94/226.19 = 101.80/x - Step 3: Cross multiply
163.94x = 226.19 × 101.80 - Step 4: Simplify right side
163.94x = 23,026.14 - Step 5: Solve for x
x = 23,026.14/163.94 - Step 6: Final answer
x = 140.45
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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.