Finding the Fourth Proportional to 202.26, 303.26 and 125.22
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Solution
The fourth proportional to 202.26, 303.26 and 125.22 is: 187.75
Step by Step Solution
- Step 1: Write the proportion equation
202.26 : 303.26 = 125.22 : x - Step 2: Convert to fraction form
202.26/303.26 = 125.22/x - Step 3: Cross multiply
202.26x = 303.26 × 125.22 - Step 4: Simplify right side
202.26x = 37,974.22 - Step 5: Solve for x
x = 37,974.22/202.26 - Step 6: Final answer
x = 187.75
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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.