Finding the Fourth Proportional to 341.26, 511.90 and 97.79
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Solution
The fourth proportional to 341.26, 511.90 and 97.79 is: 146.68
Step by Step Solution
- Step 1: Write the proportion equation
341.26 : 511.90 = 97.79 : x - Step 2: Convert to fraction form
341.26/511.90 = 97.79/x - Step 3: Cross multiply
341.26x = 511.90 × 97.79 - Step 4: Simplify right side
341.26x = 50,057.67 - Step 5: Solve for x
x = 50,057.67/341.26 - Step 6: Final answer
x = 146.68
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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.