Finding the Fourth Proportional to 163.60, 224.29 and 160.68
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Solution
The fourth proportional to 163.60, 224.29 and 160.68 is: 220.29
Step by Step Solution
- Step 1: Write the proportion equation
163.60 : 224.29 = 160.68 : x - Step 2: Convert to fraction form
163.60/224.29 = 160.68/x - Step 3: Cross multiply
163.60x = 224.29 × 160.68 - Step 4: Simplify right side
163.60x = 36,038.92 - Step 5: Solve for x
x = 36,038.92/163.60 - Step 6: Final answer
x = 220.29
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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.