Finding the Fourth Proportional to 300.14, 449.93 and 107.63
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Solution
The fourth proportional to 300.14, 449.93 and 107.63 is: 161.34
Step by Step Solution
- Step 1: Write the proportion equation
300.14 : 449.93 = 107.63 : x - Step 2: Convert to fraction form
300.14/449.93 = 107.63/x - Step 3: Cross multiply
300.14x = 449.93 × 107.63 - Step 4: Simplify right side
300.14x = 48,423.99 - Step 5: Solve for x
x = 48,423.99/300.14 - Step 6: Final answer
x = 161.34
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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.