Finding the Fourth Proportional to 252.35, 378.63 and 98.26
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Solution
The fourth proportional to 252.35, 378.63 and 98.26 is: 147.43
Step by Step Solution
- Step 1: Write the proportion equation
252.35 : 378.63 = 98.26 : x - Step 2: Convert to fraction form
252.35/378.63 = 98.26/x - Step 3: Cross multiply
252.35x = 378.63 × 98.26 - Step 4: Simplify right side
252.35x = 37,203.24 - Step 5: Solve for x
x = 37,203.24/252.35 - Step 6: Final answer
x = 147.43
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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.