Finding the Fourth Proportional to 441.18, 608.58 and 283.68
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Solution
The fourth proportional to 441.18, 608.58 and 283.68 is: 391.32
Step by Step Solution
- Step 1: Write the proportion equation
441.18 : 608.58 = 283.68 : x - Step 2: Convert to fraction form
441.18/608.58 = 283.68/x - Step 3: Cross multiply
441.18x = 608.58 × 283.68 - Step 4: Simplify right side
441.18x = 172,641.97 - Step 5: Solve for x
x = 172,641.97/441.18 - Step 6: Final answer
x = 391.32
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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.