Finding the Fourth Proportional to 441.49, 609.19 and 254.95
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Solution
The fourth proportional to 441.49, 609.19 and 254.95 is: 351.79
Step by Step Solution
- Step 1: Write the proportion equation
441.49 : 609.19 = 254.95 : x - Step 2: Convert to fraction form
441.49/609.19 = 254.95/x - Step 3: Cross multiply
441.49x = 609.19 × 254.95 - Step 4: Simplify right side
441.49x = 155,312.99 - Step 5: Solve for x
x = 155,312.99/441.49 - Step 6: Final answer
x = 351.79
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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.