Finding the Fourth Proportional to 341.97, 513.08 and 122.70
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Solution
The fourth proportional to 341.97, 513.08 and 122.70 is: 184.09
Step by Step Solution
- Step 1: Write the proportion equation
341.97 : 513.08 = 122.70 : x - Step 2: Convert to fraction form
341.97/513.08 = 122.70/x - Step 3: Cross multiply
341.97x = 513.08 × 122.70 - Step 4: Simplify right side
341.97x = 62,954.92 - Step 5: Solve for x
x = 62,954.92/341.97 - Step 6: Final answer
x = 184.09
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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.