Finding the Fourth Proportional to 303.21, 454.97 and 120.96
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Solution
The fourth proportional to 303.21, 454.97 and 120.96 is: 181.51
Step by Step Solution
- Step 1: Write the proportion equation
303.21 : 454.97 = 120.96 : x - Step 2: Convert to fraction form
303.21/454.97 = 120.96/x - Step 3: Cross multiply
303.21x = 454.97 × 120.96 - Step 4: Simplify right side
303.21x = 55,035.18 - Step 5: Solve for x
x = 55,035.18/303.21 - Step 6: Final answer
x = 181.51
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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.