Finding the Fourth Proportional to 303.21, 455.04 and 194.99
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Solution
The fourth proportional to 303.21, 455.04 and 194.99 is: 292.62
Step by Step Solution
- Step 1: Write the proportion equation
303.21 : 455.04 = 194.99 : x - Step 2: Convert to fraction form
303.21/455.04 = 194.99/x - Step 3: Cross multiply
303.21x = 455.04 × 194.99 - Step 4: Simplify right side
303.21x = 88,725.97 - Step 5: Solve for x
x = 88,725.97/303.21 - Step 6: Final answer
x = 292.62
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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.