Finding the Fourth Proportional to 252.36, 348.16 and 154.08
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Solution
The fourth proportional to 252.36, 348.16 and 154.08 is: 212.57
Step by Step Solution
- Step 1: Write the proportion equation
252.36 : 348.16 = 154.08 : x - Step 2: Convert to fraction form
252.36/348.16 = 154.08/x - Step 3: Cross multiply
252.36x = 348.16 × 154.08 - Step 4: Simplify right side
252.36x = 53,644.49 - Step 5: Solve for x
x = 53,644.49/252.36 - Step 6: Final answer
x = 212.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.