Finding the Fourth Proportional to 160.44, 221.37 and 107.99
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Solution
The fourth proportional to 160.44, 221.37 and 107.99 is: 149.00
Step by Step Solution
- Step 1: Write the proportion equation
160.44 : 221.37 = 107.99 : x - Step 2: Convert to fraction form
160.44/221.37 = 107.99/x - Step 3: Cross multiply
160.44x = 221.37 × 107.99 - Step 4: Simplify right side
160.44x = 23,905.75 - Step 5: Solve for x
x = 23,905.75/160.44 - Step 6: Final answer
x = 149.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.