Finding the Fourth Proportional to 341.68, 512.37 and 122.26
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Solution
The fourth proportional to 341.68, 512.37 and 122.26 is: 183.33
Step by Step Solution
- Step 1: Write the proportion equation
341.68 : 512.37 = 122.26 : x - Step 2: Convert to fraction form
341.68/512.37 = 122.26/x - Step 3: Cross multiply
341.68x = 512.37 × 122.26 - Step 4: Simplify right side
341.68x = 62,639.79 - Step 5: Solve for x
x = 62,639.79/341.68 - Step 6: Final answer
x = 183.33
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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.