Finding the Fourth Proportional to 395.64, 593.10 and 189.99
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Solution
The fourth proportional to 395.64, 593.10 and 189.99 is: 284.81
Step by Step Solution
- Step 1: Write the proportion equation
395.64 : 593.10 = 189.99 : x - Step 2: Convert to fraction form
395.64/593.10 = 189.99/x - Step 3: Cross multiply
395.64x = 593.10 × 189.99 - Step 4: Simplify right side
395.64x = 112,683.07 - Step 5: Solve for x
x = 112,683.07/395.64 - Step 6: Final answer
x = 284.81
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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.