Finding the Fourth Proportional to 170.44, 254.94 and 163
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Solution
The fourth proportional to 170.44, 254.94 and 163 is: 243.81
Step by Step Solution
- Step 1: Write the proportion equation
170.44 : 254.94 = 163 : x - Step 2: Convert to fraction form
170.44/254.94 = 163/x - Step 3: Cross multiply
170.44x = 254.94 × 163 - Step 4: Simplify right side
170.44x = 41,555.22 - Step 5: Solve for x
x = 41,555.22/170.44 - Step 6: Final answer
x = 243.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.