Finding the Fourth Proportional to 236.97, 356.99 and 219.15
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Solution
The fourth proportional to 236.97, 356.99 and 219.15 is: 330.14
Step by Step Solution
- Step 1: Write the proportion equation
236.97 : 356.99 = 219.15 : x - Step 2: Convert to fraction form
236.97/356.99 = 219.15/x - Step 3: Cross multiply
236.97x = 356.99 × 219.15 - Step 4: Simplify right side
236.97x = 78,233.26 - Step 5: Solve for x
x = 78,233.26/236.97 - Step 6: Final answer
x = 330.14
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.