Finding the Fourth Proportional to 395.81, 593.77 and 148.99
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Solution
The fourth proportional to 395.81, 593.77 and 148.99 is: 223.51
Step by Step Solution
- Step 1: Write the proportion equation
395.81 : 593.77 = 148.99 : x - Step 2: Convert to fraction form
395.81/593.77 = 148.99/x - Step 3: Cross multiply
395.81x = 593.77 × 148.99 - Step 4: Simplify right side
395.81x = 88,465.79 - Step 5: Solve for x
x = 88,465.79/395.81 - Step 6: Final answer
x = 223.51
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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.