Finding the Fourth Proportional to 170.76, 235.26 and 163.08
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Solution
The fourth proportional to 170.76, 235.26 and 163.08 is: 224.68
Step by Step Solution
- Step 1: Write the proportion equation
170.76 : 235.26 = 163.08 : x - Step 2: Convert to fraction form
170.76/235.26 = 163.08/x - Step 3: Cross multiply
170.76x = 235.26 × 163.08 - Step 4: Simplify right side
170.76x = 38,366.20 - Step 5: Solve for x
x = 38,366.20/170.76 - Step 6: Final answer
x = 224.68
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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.