Finding the Fourth Proportional to 104.88, 144.50 and 88.54
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Solution
The fourth proportional to 104.88, 144.50 and 88.54 is: 121.99
Step by Step Solution
- Step 1: Write the proportion equation
104.88 : 144.50 = 88.54 : x - Step 2: Convert to fraction form
104.88/144.50 = 88.54/x - Step 3: Cross multiply
104.88x = 144.50 × 88.54 - Step 4: Simplify right side
104.88x = 12,794.03 - Step 5: Solve for x
x = 12,794.03/104.88 - Step 6: Final answer
x = 121.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.