Finding the Fourth Proportional to 902.25, 1,353.39 and 252.99
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Solution
The fourth proportional to 902.25, 1,353.39 and 252.99 is: 379.49
Step by Step Solution
- Step 1: Write the proportion equation
902.25 : 1,353.39 = 252.99 : x - Step 2: Convert to fraction form
902.25/1,353.39 = 252.99/x - Step 3: Cross multiply
902.25x = 1,353.39 × 252.99 - Step 4: Simplify right side
902.25x = 342,394.14 - Step 5: Solve for x
x = 342,394.14/902.25 - Step 6: Final answer
x = 379.49
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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.