Finding the Fourth Proportional to 344.08, 515.84 and 170.64
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Solution
The fourth proportional to 344.08, 515.84 and 170.64 is: 255.82
Step by Step Solution
- Step 1: Write the proportion equation
344.08 : 515.84 = 170.64 : x - Step 2: Convert to fraction form
344.08/515.84 = 170.64/x - Step 3: Cross multiply
344.08x = 515.84 × 170.64 - Step 4: Simplify right side
344.08x = 88,022.94 - Step 5: Solve for x
x = 88,022.94/344.08 - Step 6: Final answer
x = 255.82
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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.