Finding the Fourth Proportional to 341.41, 512.07 and 121.99
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Solution
The fourth proportional to 341.41, 512.07 and 121.99 is: 182.97
Step by Step Solution
- Step 1: Write the proportion equation
341.41 : 512.07 = 121.99 : x - Step 2: Convert to fraction form
341.41/512.07 = 121.99/x - Step 3: Cross multiply
341.41x = 512.07 × 121.99 - Step 4: Simplify right side
341.41x = 62,467.42 - Step 5: Solve for x
x = 62,467.42/341.41 - Step 6: Final answer
x = 182.97
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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.