Finding the Fourth Proportional to 236.73, 354.64 and 133.70
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Solution
The fourth proportional to 236.73, 354.64 and 133.70 is: 200.28
Step by Step Solution
- Step 1: Write the proportion equation
236.73 : 354.64 = 133.70 : x - Step 2: Convert to fraction form
236.73/354.64 = 133.70/x - Step 3: Cross multiply
236.73x = 354.64 × 133.70 - Step 4: Simplify right side
236.73x = 47,412.93 - Step 5: Solve for x
x = 47,412.93/236.73 - Step 6: Final answer
x = 200.28
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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.