Finding the Fourth Proportional to 236.26, 353.51 and 133.63
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Solution
The fourth proportional to 236.26, 353.51 and 133.63 is: 199.94
Step by Step Solution
- Step 1: Write the proportion equation
236.26 : 353.51 = 133.63 : x - Step 2: Convert to fraction form
236.26/353.51 = 133.63/x - Step 3: Cross multiply
236.26x = 353.51 × 133.63 - Step 4: Simplify right side
236.26x = 47,237.99 - Step 5: Solve for x
x = 47,237.99/236.26 - Step 6: Final answer
x = 199.94
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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.