Finding the Fourth Proportional to 163.96, 246.21 and 95.53
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Solution
The fourth proportional to 163.96, 246.21 and 95.53 is: 143.45
Step by Step Solution
- Step 1: Write the proportion equation
163.96 : 246.21 = 95.53 : x - Step 2: Convert to fraction form
163.96/246.21 = 95.53/x - Step 3: Cross multiply
163.96x = 246.21 × 95.53 - Step 4: Simplify right side
163.96x = 23,520.44 - Step 5: Solve for x
x = 23,520.44/163.96 - Step 6: Final answer
x = 143.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.