Finding the Fourth Proportional to 344.08, 515.79 and 161.32
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Solution
The fourth proportional to 344.08, 515.79 and 161.32 is: 241.83
Step by Step Solution
- Step 1: Write the proportion equation
344.08 : 515.79 = 161.32 : x - Step 2: Convert to fraction form
344.08/515.79 = 161.32/x - Step 3: Cross multiply
344.08x = 515.79 × 161.32 - Step 4: Simplify right side
344.08x = 83,207.24 - Step 5: Solve for x
x = 83,207.24/344.08 - Step 6: Final answer
x = 241.83
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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.