Finding the Fourth Proportional to 301.35, 451.99 and 84.92
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Solution
The fourth proportional to 301.35, 451.99 and 84.92 is: 127.37
Step by Step Solution
- Step 1: Write the proportion equation
301.35 : 451.99 = 84.92 : x - Step 2: Convert to fraction form
301.35/451.99 = 84.92/x - Step 3: Cross multiply
301.35x = 451.99 × 84.92 - Step 4: Simplify right side
301.35x = 38,382.99 - Step 5: Solve for x
x = 38,382.99/301.35 - Step 6: Final answer
x = 127.37
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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.