Finding the Fourth Proportional to 363.79, 544.99 and 217.66
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Solution
The fourth proportional to 363.79, 544.99 and 217.66 is: 326.07
Step by Step Solution
- Step 1: Write the proportion equation
363.79 : 544.99 = 217.66 : x - Step 2: Convert to fraction form
363.79/544.99 = 217.66/x - Step 3: Cross multiply
363.79x = 544.99 × 217.66 - Step 4: Simplify right side
363.79x = 118,622.52 - Step 5: Solve for x
x = 118,622.52/363.79 - Step 6: Final answer
x = 326.07
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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.