Finding the Fourth Proportional to 528.12, 792 and 162.92
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Solution
The fourth proportional to 528.12, 792 and 162.92 is: 244.32
Step by Step Solution
- Step 1: Write the proportion equation
528.12 : 792 = 162.92 : x - Step 2: Convert to fraction form
528.12/792 = 162.92/x - Step 3: Cross multiply
528.12x = 792 × 162.92 - Step 4: Simplify right side
528.12x = 129,028.68 - Step 5: Solve for x
x = 129,028.68/528.12 - Step 6: Final answer
x = 244.32
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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.