Finding the Fourth Proportional to 354.44, 531.74 and 110.94
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Solution
The fourth proportional to 354.44, 531.74 and 110.94 is: 166.44
Step by Step Solution
- Step 1: Write the proportion equation
354.44 : 531.74 = 110.94 : x - Step 2: Convert to fraction form
354.44/531.74 = 110.94/x - Step 3: Cross multiply
354.44x = 531.74 × 110.94 - Step 4: Simplify right side
354.44x = 58,991.24 - Step 5: Solve for x
x = 58,991.24/354.44 - Step 6: Final answer
x = 166.44
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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.