Finding the Fourth Proportional to 107.44, 160.99 and 53.26
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Solution
The fourth proportional to 107.44, 160.99 and 53.26 is: 79.81
Step by Step Solution
- Step 1: Write the proportion equation
107.44 : 160.99 = 53.26 : x - Step 2: Convert to fraction form
107.44/160.99 = 53.26/x - Step 3: Cross multiply
107.44x = 160.99 × 53.26 - Step 4: Simplify right side
107.44x = 8,574.33 - Step 5: Solve for x
x = 8,574.33/107.44 - Step 6: Final answer
x = 79.81
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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.