Finding the Fourth Proportional to 237.18, 327.33 and 138.99
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Solution
The fourth proportional to 237.18, 327.33 and 138.99 is: 191.82
Step by Step Solution
- Step 1: Write the proportion equation
237.18 : 327.33 = 138.99 : x - Step 2: Convert to fraction form
237.18/327.33 = 138.99/x - Step 3: Cross multiply
237.18x = 327.33 × 138.99 - Step 4: Simplify right side
237.18x = 45,495.60 - Step 5: Solve for x
x = 45,495.60/237.18 - Step 6: Final answer
x = 191.82
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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.