Finding the Fourth Proportional to 245.99, 367.19 and 216.80
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Solution
The fourth proportional to 245.99, 367.19 and 216.80 is: 323.62
Step by Step Solution
- Step 1: Write the proportion equation
245.99 : 367.19 = 216.80 : x - Step 2: Convert to fraction form
245.99/367.19 = 216.80/x - Step 3: Cross multiply
245.99x = 367.19 × 216.80 - Step 4: Simplify right side
245.99x = 79,608.49 - Step 5: Solve for x
x = 79,608.49/245.99 - Step 6: Final answer
x = 323.62
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.