Finding the Fourth Proportional to 441.07, 608.09 and 274.99
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Solution
The fourth proportional to 441.07, 608.09 and 274.99 is: 379.12
Step by Step Solution
- Step 1: Write the proportion equation
441.07 : 608.09 = 274.99 : x - Step 2: Convert to fraction form
441.07/608.09 = 274.99/x - Step 3: Cross multiply
441.07x = 608.09 × 274.99 - Step 4: Simplify right side
441.07x = 167,218.67 - Step 5: Solve for x
x = 167,218.67/441.07 - Step 6: Final answer
x = 379.12
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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.