Finding the Fourth Proportional to 262.13, 392.73 and 170.84
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Solution
The fourth proportional to 262.13, 392.73 and 170.84 is: 255.96
Step by Step Solution
- Step 1: Write the proportion equation
262.13 : 392.73 = 170.84 : x - Step 2: Convert to fraction form
262.13/392.73 = 170.84/x - Step 3: Cross multiply
262.13x = 392.73 × 170.84 - Step 4: Simplify right side
262.13x = 67,093.99 - Step 5: Solve for x
x = 67,093.99/262.13 - Step 6: Final answer
x = 255.96
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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.