Finding the Fourth Proportional to 441.76, 607.60 and 354.24
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Solution
The fourth proportional to 441.76, 607.60 and 354.24 is: 487.22
Step by Step Solution
- Step 1: Write the proportion equation
441.76 : 607.60 = 354.24 : x - Step 2: Convert to fraction form
441.76/607.60 = 354.24/x - Step 3: Cross multiply
441.76x = 607.60 × 354.24 - Step 4: Simplify right side
441.76x = 215,236.22 - Step 5: Solve for x
x = 215,236.22/441.76 - Step 6: Final answer
x = 487.22
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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.