Finding the Fourth Proportional to 299.28, 448.68 and 202.96
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Solution
The fourth proportional to 299.28, 448.68 and 202.96 is: 304.28
Step by Step Solution
- Step 1: Write the proportion equation
299.28 : 448.68 = 202.96 : x - Step 2: Convert to fraction form
299.28/448.68 = 202.96/x - Step 3: Cross multiply
299.28x = 448.68 × 202.96 - Step 4: Simplify right side
299.28x = 91,064.09 - Step 5: Solve for x
x = 91,064.09/299.28 - Step 6: Final answer
x = 304.28
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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.