Finding the Fourth Proportional to 395.73, 593.64 and 135.75
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Solution
The fourth proportional to 395.73, 593.64 and 135.75 is: 203.64
Step by Step Solution
- Step 1: Write the proportion equation
395.73 : 593.64 = 135.75 : x - Step 2: Convert to fraction form
395.73/593.64 = 135.75/x - Step 3: Cross multiply
395.73x = 593.64 × 135.75 - Step 4: Simplify right side
395.73x = 80,586.63 - Step 5: Solve for x
x = 80,586.63/395.73 - Step 6: Final answer
x = 203.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.