Finding the Fourth Proportional to 344.08, 515.21 and 181.42
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Solution
The fourth proportional to 344.08, 515.21 and 181.42 is: 271.65
Step by Step Solution
- Step 1: Write the proportion equation
344.08 : 515.21 = 181.42 : x - Step 2: Convert to fraction form
344.08/515.21 = 181.42/x - Step 3: Cross multiply
344.08x = 515.21 × 181.42 - Step 4: Simplify right side
344.08x = 93,471.12 - Step 5: Solve for x
x = 93,471.12/344.08 - Step 6: Final answer
x = 271.65
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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.