Finding the Fourth Proportional to 88.44, 122.02 and 49.62
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Solution
The fourth proportional to 88.44, 122.02 and 49.62 is: 68.46
Step by Step Solution
- Step 1: Write the proportion equation
88.44 : 122.02 = 49.62 : x - Step 2: Convert to fraction form
88.44/122.02 = 49.62/x - Step 3: Cross multiply
88.44x = 122.02 × 49.62 - Step 4: Simplify right side
88.44x = 6,054.63 - Step 5: Solve for x
x = 6,054.63/88.44 - Step 6: Final answer
x = 68.46
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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.