Finding the Fourth Proportional to 252.94, 378.62 and 195.01
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Solution
The fourth proportional to 252.94, 378.62 and 195.01 is: 291.90
Step by Step Solution
- Step 1: Write the proportion equation
252.94 : 378.62 = 195.01 : x - Step 2: Convert to fraction form
252.94/378.62 = 195.01/x - Step 3: Cross multiply
252.94x = 378.62 × 195.01 - Step 4: Simplify right side
252.94x = 73,832.76 - Step 5: Solve for x
x = 73,832.76/252.94 - Step 6: Final answer
x = 291.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.