Finding the Fourth Proportional to 252.36, 378.58 and 108.08
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Solution
The fourth proportional to 252.36, 378.58 and 108.08 is: 162.14
Step by Step Solution
- Step 1: Write the proportion equation
252.36 : 378.58 = 108.08 : x - Step 2: Convert to fraction form
252.36/378.58 = 108.08/x - Step 3: Cross multiply
252.36x = 378.58 × 108.08 - Step 4: Simplify right side
252.36x = 40,916.93 - Step 5: Solve for x
x = 40,916.93/252.36 - Step 6: Final answer
x = 162.14
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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.