Finding the Fourth Proportional to 395.99, 593.09 and 190.71
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Solution
The fourth proportional to 395.99, 593.09 and 190.71 is: 285.63
Step by Step Solution
- Step 1: Write the proportion equation
395.99 : 593.09 = 190.71 : x - Step 2: Convert to fraction form
395.99/593.09 = 190.71/x - Step 3: Cross multiply
395.99x = 593.09 × 190.71 - Step 4: Simplify right side
395.99x = 113,108.19 - Step 5: Solve for x
x = 113,108.19/395.99 - Step 6: Final answer
x = 285.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.