Finding the Fourth Proportional to 341.35, 471.26 and 248
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Solution
The fourth proportional to 341.35, 471.26 and 248 is: 342.38
Step by Step Solution
- Step 1: Write the proportion equation
341.35 : 471.26 = 248 : x - Step 2: Convert to fraction form
341.35/471.26 = 248/x - Step 3: Cross multiply
341.35x = 471.26 × 248 - Step 4: Simplify right side
341.35x = 116,872.48 - Step 5: Solve for x
x = 116,872.48/341.35 - Step 6: Final answer
x = 342.38
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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.