Finding the Fourth Proportional to 236.05, 353.99 and 130.49
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Solution
The fourth proportional to 236.05, 353.99 and 130.49 is: 195.68
Step by Step Solution
- Step 1: Write the proportion equation
236.05 : 353.99 = 130.49 : x - Step 2: Convert to fraction form
236.05/353.99 = 130.49/x - Step 3: Cross multiply
236.05x = 353.99 × 130.49 - Step 4: Simplify right side
236.05x = 46,190.31 - Step 5: Solve for x
x = 46,190.31/236.05 - Step 6: Final answer
x = 195.68
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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.