Finding the Fourth Proportional to 163.08, 223.70 and 160.44
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Solution
The fourth proportional to 163.08, 223.70 and 160.44 is: 220.07
Step by Step Solution
- Step 1: Write the proportion equation
163.08 : 223.70 = 160.44 : x - Step 2: Convert to fraction form
163.08/223.70 = 160.44/x - Step 3: Cross multiply
163.08x = 223.70 × 160.44 - Step 4: Simplify right side
163.08x = 35,889.63 - Step 5: Solve for x
x = 35,889.63/163.08 - Step 6: Final answer
x = 220.07
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.