Finding the Fourth Proportional to 163.68, 246.08 and 133.48
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Solution
The fourth proportional to 163.68, 246.08 and 133.48 is: 200.68
Step by Step Solution
- Step 1: Write the proportion equation
163.68 : 246.08 = 133.48 : x - Step 2: Convert to fraction form
163.68/246.08 = 133.48/x - Step 3: Cross multiply
163.68x = 246.08 × 133.48 - Step 4: Simplify right side
163.68x = 32,846.76 - Step 5: Solve for x
x = 32,846.76/163.68 - Step 6: Final answer
x = 200.68
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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.