Finding the Fourth Proportional to 395.99, 593.98 and 122.07
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Solution
The fourth proportional to 395.99, 593.98 and 122.07 is: 183.11
Step by Step Solution
- Step 1: Write the proportion equation
395.99 : 593.98 = 122.07 : x - Step 2: Convert to fraction form
395.99/593.98 = 122.07/x - Step 3: Cross multiply
395.99x = 593.98 × 122.07 - Step 4: Simplify right side
395.99x = 72,509.75 - Step 5: Solve for x
x = 72,509.75/395.99 - Step 6: Final answer
x = 183.11
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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.