Finding the Fourth Proportional to 252.93, 378.91 and 201.63
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Solution
The fourth proportional to 252.93, 378.91 and 201.63 is: 302.06
Step by Step Solution
- Step 1: Write the proportion equation
252.93 : 378.91 = 201.63 : x - Step 2: Convert to fraction form
252.93/378.91 = 201.63/x - Step 3: Cross multiply
252.93x = 378.91 × 201.63 - Step 4: Simplify right side
252.93x = 76,399.62 - Step 5: Solve for x
x = 76,399.62/252.93 - Step 6: Final answer
x = 302.06
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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.