Finding the Fourth Proportional to 202.73, 303.79 and 130.44
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Solution
The fourth proportional to 202.73, 303.79 and 130.44 is: 195.46
Step by Step Solution
- Step 1: Write the proportion equation
202.73 : 303.79 = 130.44 : x - Step 2: Convert to fraction form
202.73/303.79 = 130.44/x - Step 3: Cross multiply
202.73x = 303.79 × 130.44 - Step 4: Simplify right side
202.73x = 39,626.37 - Step 5: Solve for x
x = 39,626.37/202.73 - Step 6: Final answer
x = 195.46
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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.