Finding the Fourth Proportional to 251.13, 376.88 and 97.08
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Solution
The fourth proportional to 251.13, 376.88 and 97.08 is: 145.69
Step by Step Solution
- Step 1: Write the proportion equation
251.13 : 376.88 = 97.08 : x - Step 2: Convert to fraction form
251.13/376.88 = 97.08/x - Step 3: Cross multiply
251.13x = 376.88 × 97.08 - Step 4: Simplify right side
251.13x = 36,587.51 - Step 5: Solve for x
x = 36,587.51/251.13 - Step 6: Final answer
x = 145.69
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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.