Finding the Fourth Proportional to 394.96, 592.68 and 272.99
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Solution
The fourth proportional to 394.96, 592.68 and 272.99 is: 409.66
Step by Step Solution
- Step 1: Write the proportion equation
394.96 : 592.68 = 272.99 : x - Step 2: Convert to fraction form
394.96/592.68 = 272.99/x - Step 3: Cross multiply
394.96x = 592.68 × 272.99 - Step 4: Simplify right side
394.96x = 161,795.71 - Step 5: Solve for x
x = 161,795.71/394.96 - Step 6: Final answer
x = 409.66
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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.