Finding the Fourth Proportional to 251.08, 376.08 and 170.08
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Solution
The fourth proportional to 251.08, 376.08 and 170.08 is: 254.75
Step by Step Solution
- Step 1: Write the proportion equation
251.08 : 376.08 = 170.08 : x - Step 2: Convert to fraction form
251.08/376.08 = 170.08/x - Step 3: Cross multiply
251.08x = 376.08 × 170.08 - Step 4: Simplify right side
251.08x = 63,963.69 - Step 5: Solve for x
x = 63,963.69/251.08 - Step 6: Final answer
x = 254.75
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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.