Finding the Fourth Proportional to 237.18, 327.35 and 143.99
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Solution
The fourth proportional to 237.18, 327.35 and 143.99 is: 198.72
Step by Step Solution
- Step 1: Write the proportion equation
237.18 : 327.35 = 143.99 : x - Step 2: Convert to fraction form
237.18/327.35 = 143.99/x - Step 3: Cross multiply
237.18x = 327.35 × 143.99 - Step 4: Simplify right side
237.18x = 47,132.77 - Step 5: Solve for x
x = 47,132.77/237.18 - Step 6: Final answer
x = 198.72
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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.