Finding the Fourth Proportional to 163.52, 246.62 and 160.64
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Solution
The fourth proportional to 163.52, 246.62 and 160.64 is: 242.28
Step by Step Solution
- Step 1: Write the proportion equation
163.52 : 246.62 = 160.64 : x - Step 2: Convert to fraction form
163.52/246.62 = 160.64/x - Step 3: Cross multiply
163.52x = 246.62 × 160.64 - Step 4: Simplify right side
163.52x = 39,617.04 - Step 5: Solve for x
x = 39,617.04/163.52 - Step 6: Final answer
x = 242.28
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.