Finding the Fourth Proportional to 307.44, 460.26 and 198.92
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Solution
The fourth proportional to 307.44, 460.26 and 198.92 is: 297.80
Step by Step Solution
- Step 1: Write the proportion equation
307.44 : 460.26 = 198.92 : x - Step 2: Convert to fraction form
307.44/460.26 = 198.92/x - Step 3: Cross multiply
307.44x = 460.26 × 198.92 - Step 4: Simplify right side
307.44x = 91,554.92 - Step 5: Solve for x
x = 91,554.92/307.44 - Step 6: Final answer
x = 297.80
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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.