Finding the Fourth Proportional to 237.18, 327.36 and 133.68
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Solution
The fourth proportional to 237.18, 327.36 and 133.68 is: 184.51
Step by Step Solution
- Step 1: Write the proportion equation
237.18 : 327.36 = 133.68 : x - Step 2: Convert to fraction form
237.18/327.36 = 133.68/x - Step 3: Cross multiply
237.18x = 327.36 × 133.68 - Step 4: Simplify right side
237.18x = 43,761.48 - Step 5: Solve for x
x = 43,761.48/237.18 - Step 6: Final answer
x = 184.51
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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.