Finding the Fourth Proportional to 108.44, 149.45 and 96.19
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Solution
The fourth proportional to 108.44, 149.45 and 96.19 is: 132.56
Step by Step Solution
- Step 1: Write the proportion equation
108.44 : 149.45 = 96.19 : x - Step 2: Convert to fraction form
108.44/149.45 = 96.19/x - Step 3: Cross multiply
108.44x = 149.45 × 96.19 - Step 4: Simplify right side
108.44x = 14,374.74 - Step 5: Solve for x
x = 14,374.74/108.44 - Step 6: Final answer
x = 132.56
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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.