Finding the Fourth Proportional to 202.26, 303.34 and 115.58
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Solution
The fourth proportional to 202.26, 303.34 and 115.58 is: 173.34
Step by Step Solution
- Step 1: Write the proportion equation
202.26 : 303.34 = 115.58 : x - Step 2: Convert to fraction form
202.26/303.34 = 115.58/x - Step 3: Cross multiply
202.26x = 303.34 × 115.58 - Step 4: Simplify right side
202.26x = 35,059.97 - Step 5: Solve for x
x = 35,059.97/202.26 - Step 6: Final answer
x = 173.34
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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.