Finding the Fourth Proportional to 208.99, 313.17 and 160.75
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Solution
The fourth proportional to 208.99, 313.17 and 160.75 is: 240.88
Step by Step Solution
- Step 1: Write the proportion equation
208.99 : 313.17 = 160.75 : x - Step 2: Convert to fraction form
208.99/313.17 = 160.75/x - Step 3: Cross multiply
208.99x = 313.17 × 160.75 - Step 4: Simplify right side
208.99x = 50,342.08 - Step 5: Solve for x
x = 50,342.08/208.99 - Step 6: Final answer
x = 240.88
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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.