Finding the Fourth Proportional to 325.44, 449.08 and 194.44
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Solution
The fourth proportional to 325.44, 449.08 and 194.44 is: 268.31
Step by Step Solution
- Step 1: Write the proportion equation
325.44 : 449.08 = 194.44 : x - Step 2: Convert to fraction form
325.44/449.08 = 194.44/x - Step 3: Cross multiply
325.44x = 449.08 × 194.44 - Step 4: Simplify right side
325.44x = 87,319.12 - Step 5: Solve for x
x = 87,319.12/325.44 - Step 6: Final answer
x = 268.31
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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.