Finding the Fourth Proportional to 303.99, 455.28 and 222.63
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Solution
The fourth proportional to 303.99, 455.28 and 222.63 is: 333.43
Step by Step Solution
- Step 1: Write the proportion equation
303.99 : 455.28 = 222.63 : x - Step 2: Convert to fraction form
303.99/455.28 = 222.63/x - Step 3: Cross multiply
303.99x = 455.28 × 222.63 - Step 4: Simplify right side
303.99x = 101,358.99 - Step 5: Solve for x
x = 101,358.99/303.99 - Step 6: Final answer
x = 333.43
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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.