Finding the Fourth Proportional to 207.96, 313.18 and 181.23
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Solution
The fourth proportional to 207.96, 313.18 and 181.23 is: 272.92
Step by Step Solution
- Step 1: Write the proportion equation
207.96 : 313.18 = 181.23 : x - Step 2: Convert to fraction form
207.96/313.18 = 181.23/x - Step 3: Cross multiply
207.96x = 313.18 × 181.23 - Step 4: Simplify right side
207.96x = 56,757.16 - Step 5: Solve for x
x = 56,757.16/207.96 - Step 6: Final answer
x = 272.92
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.