Finding the Fourth Proportional to 446.21, 615.84 and 249.68
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Solution
The fourth proportional to 446.21, 615.84 and 249.68 is: 344.60
Step by Step Solution
- Step 1: Write the proportion equation
446.21 : 615.84 = 249.68 : x - Step 2: Convert to fraction form
446.21/615.84 = 249.68/x - Step 3: Cross multiply
446.21x = 615.84 × 249.68 - Step 4: Simplify right side
446.21x = 153,762.93 - Step 5: Solve for x
x = 153,762.93/446.21 - Step 6: Final answer
x = 344.60
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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.