Finding the Fourth Proportional to 104.99, 157.39 and 44.13
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Solution
The fourth proportional to 104.99, 157.39 and 44.13 is: 66.15
Step by Step Solution
- Step 1: Write the proportion equation
104.99 : 157.39 = 44.13 : x - Step 2: Convert to fraction form
104.99/157.39 = 44.13/x - Step 3: Cross multiply
104.99x = 157.39 × 44.13 - Step 4: Simplify right side
104.99x = 6,944.99 - Step 5: Solve for x
x = 6,944.99/104.99 - Step 6: Final answer
x = 66.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.