Finding the Fourth Proportional to 252.35, 378.01 and 130.44
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Solution
The fourth proportional to 252.35, 378.01 and 130.44 is: 195.39
Step by Step Solution
- Step 1: Write the proportion equation
252.35 : 378.01 = 130.44 : x - Step 2: Convert to fraction form
252.35/378.01 = 130.44/x - Step 3: Cross multiply
252.35x = 378.01 × 130.44 - Step 4: Simplify right side
252.35x = 49,307.62 - Step 5: Solve for x
x = 49,307.62/252.35 - Step 6: Final answer
x = 195.39
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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.