Finding the Fourth Proportional to 354.52, 531.84 and 110.99
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Solution
The fourth proportional to 354.52, 531.84 and 110.99 is: 166.51
Step by Step Solution
- Step 1: Write the proportion equation
354.52 : 531.84 = 110.99 : x - Step 2: Convert to fraction form
354.52/531.84 = 110.99/x - Step 3: Cross multiply
354.52x = 531.84 × 110.99 - Step 4: Simplify right side
354.52x = 59,028.92 - Step 5: Solve for x
x = 59,028.92/354.52 - Step 6: Final answer
x = 166.51
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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.