Finding the Fourth Proportional to 252.99, 378.88 and 195.08
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Solution
The fourth proportional to 252.99, 378.88 and 195.08 is: 292.14
Step by Step Solution
- Step 1: Write the proportion equation
252.99 : 378.88 = 195.08 : x - Step 2: Convert to fraction form
252.99/378.88 = 195.08/x - Step 3: Cross multiply
252.99x = 378.88 × 195.08 - Step 4: Simplify right side
252.99x = 73,909.53 - Step 5: Solve for x
x = 73,909.53/252.99 - Step 6: Final answer
x = 292.14
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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.