Finding the Fourth Proportional to 202.26, 302.57 and 168.08
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Solution
The fourth proportional to 202.26, 302.57 and 168.08 is: 251.43
Step by Step Solution
- Step 1: Write the proportion equation
202.26 : 302.57 = 168.08 : x - Step 2: Convert to fraction form
202.26/302.57 = 168.08/x - Step 3: Cross multiply
202.26x = 302.57 × 168.08 - Step 4: Simplify right side
202.26x = 50,854.24 - Step 5: Solve for x
x = 50,854.24/202.26 - Step 6: Final answer
x = 251.43
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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.