Finding the Fourth Proportional to 105.82, 158.81 and 44.99
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Solution
The fourth proportional to 105.82, 158.81 and 44.99 is: 67.52
Step by Step Solution
- Step 1: Write the proportion equation
105.82 : 158.81 = 44.99 : x - Step 2: Convert to fraction form
105.82/158.81 = 44.99/x - Step 3: Cross multiply
105.82x = 158.81 × 44.99 - Step 4: Simplify right side
105.82x = 7,144.78 - Step 5: Solve for x
x = 7,144.78/105.82 - Step 6: Final answer
x = 67.52
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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.