Finding the Fourth Proportional to 236.09, 353.79 and 149.18
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Solution
The fourth proportional to 236.09, 353.79 and 149.18 is: 223.55
Step by Step Solution
- Step 1: Write the proportion equation
236.09 : 353.79 = 149.18 : x - Step 2: Convert to fraction form
236.09/353.79 = 149.18/x - Step 3: Cross multiply
236.09x = 353.79 × 149.18 - Step 4: Simplify right side
236.09x = 52,778.54 - Step 5: Solve for x
x = 52,778.54/236.09 - Step 6: Final answer
x = 223.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.