Finding the Fourth Proportional to 163.08, 244.74 and 122.40
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Solution
The fourth proportional to 163.08, 244.74 and 122.40 is: 183.69
Step by Step Solution
- Step 1: Write the proportion equation
163.08 : 244.74 = 122.40 : x - Step 2: Convert to fraction form
163.08/244.74 = 122.40/x - Step 3: Cross multiply
163.08x = 244.74 × 122.40 - Step 4: Simplify right side
163.08x = 29,956.18 - Step 5: Solve for x
x = 29,956.18/163.08 - Step 6: Final answer
x = 183.69
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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.