Finding the Fourth Proportional to 237.05, 327.19 and 143.80
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Solution
The fourth proportional to 237.05, 327.19 and 143.80 is: 198.48
Step by Step Solution
- Step 1: Write the proportion equation
237.05 : 327.19 = 143.80 : x - Step 2: Convert to fraction form
237.05/327.19 = 143.80/x - Step 3: Cross multiply
237.05x = 327.19 × 143.80 - Step 4: Simplify right side
237.05x = 47,048.74 - Step 5: Solve for x
x = 47,048.74/237.05 - Step 6: Final answer
x = 198.48
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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.