Finding the Fourth Proportional to 237.96, 327.84 and 202.92
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Solution
The fourth proportional to 237.96, 327.84 and 202.92 is: 279.57
Step by Step Solution
- Step 1: Write the proportion equation
237.96 : 327.84 = 202.92 : x - Step 2: Convert to fraction form
237.96/327.84 = 202.92/x - Step 3: Cross multiply
237.96x = 327.84 × 202.92 - Step 4: Simplify right side
237.96x = 66,525.29 - Step 5: Solve for x
x = 66,525.29/237.96 - Step 6: Final answer
x = 279.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.