Finding the Fourth Proportional to 299.99, 449.51 and 227.63
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Solution
The fourth proportional to 299.99, 449.51 and 227.63 is: 341.08
Step by Step Solution
- Step 1: Write the proportion equation
299.99 : 449.51 = 227.63 : x - Step 2: Convert to fraction form
299.99/449.51 = 227.63/x - Step 3: Cross multiply
299.99x = 449.51 × 227.63 - Step 4: Simplify right side
299.99x = 102,318.58 - Step 5: Solve for x
x = 102,318.58/299.99 - Step 6: Final answer
x = 341.08
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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.