Finding the Fourth Proportional to 236.18, 353.99 and 133.53
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Solution
The fourth proportional to 236.18, 353.99 and 133.53 is: 200.14
Step by Step Solution
- Step 1: Write the proportion equation
236.18 : 353.99 = 133.53 : x - Step 2: Convert to fraction form
236.18/353.99 = 133.53/x - Step 3: Cross multiply
236.18x = 353.99 × 133.53 - Step 4: Simplify right side
236.18x = 47,267.62 - Step 5: Solve for x
x = 47,267.62/236.18 - Step 6: Final answer
x = 200.14
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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.