Finding the Fourth Proportional to 394.48, 544.14 and 246.99
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Solution
The fourth proportional to 394.48, 544.14 and 246.99 is: 340.70
Step by Step Solution
- Step 1: Write the proportion equation
394.48 : 544.14 = 246.99 : x - Step 2: Convert to fraction form
394.48/544.14 = 246.99/x - Step 3: Cross multiply
394.48x = 544.14 × 246.99 - Step 4: Simplify right side
394.48x = 134,397.14 - Step 5: Solve for x
x = 134,397.14/394.48 - Step 6: Final answer
x = 340.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.