Finding the Fourth Proportional to 274.87, 379.08 and 171.19
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Solution
The fourth proportional to 274.87, 379.08 and 171.19 is: 236.09
Step by Step Solution
- Step 1: Write the proportion equation
274.87 : 379.08 = 171.19 : x - Step 2: Convert to fraction form
274.87/379.08 = 171.19/x - Step 3: Cross multiply
274.87x = 379.08 × 171.19 - Step 4: Simplify right side
274.87x = 64,894.71 - Step 5: Solve for x
x = 64,894.71/274.87 - Step 6: Final answer
x = 236.09
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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.