Finding the Fourth Proportional to 252.91, 378.76 and 195
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Solution
The fourth proportional to 252.91, 378.76 and 195 is: 292.03
Step by Step Solution
- Step 1: Write the proportion equation
252.91 : 378.76 = 195 : x - Step 2: Convert to fraction form
252.91/378.76 = 195/x - Step 3: Cross multiply
252.91x = 378.76 × 195 - Step 4: Simplify right side
252.91x = 73,858.20 - Step 5: Solve for x
x = 73,858.20/252.91 - Step 6: Final answer
x = 292.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.