Finding the Fourth Proportional to 394.06, 589.70 and 343.26
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Solution
The fourth proportional to 394.06, 589.70 and 343.26 is: 513.68
Step by Step Solution
- Step 1: Write the proportion equation
394.06 : 589.70 = 343.26 : x - Step 2: Convert to fraction form
394.06/589.70 = 343.26/x - Step 3: Cross multiply
394.06x = 589.70 × 343.26 - Step 4: Simplify right side
394.06x = 202,420.42 - Step 5: Solve for x
x = 202,420.42/394.06 - Step 6: Final answer
x = 513.68
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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.