Finding the Fourth Proportional to 201.64, 302.19 and 160.60
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Solution
The fourth proportional to 201.64, 302.19 and 160.60 is: 240.68
Step by Step Solution
- Step 1: Write the proportion equation
201.64 : 302.19 = 160.60 : x - Step 2: Convert to fraction form
201.64/302.19 = 160.60/x - Step 3: Cross multiply
201.64x = 302.19 × 160.60 - Step 4: Simplify right side
201.64x = 48,531.71 - Step 5: Solve for x
x = 48,531.71/201.64 - Step 6: Final answer
x = 240.68
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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.