Finding the Fourth Proportional to 415.02, 622.37 and 122.44
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Solution
The fourth proportional to 415.02, 622.37 and 122.44 is: 183.61
Step by Step Solution
- Step 1: Write the proportion equation
415.02 : 622.37 = 122.44 : x - Step 2: Convert to fraction form
415.02/622.37 = 122.44/x - Step 3: Cross multiply
415.02x = 622.37 × 122.44 - Step 4: Simplify right side
415.02x = 76,201.73 - Step 5: Solve for x
x = 76,201.73/415.02 - Step 6: Final answer
x = 183.61
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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.