Finding the Fourth Proportional to 415.33, 622.99 and 107.18
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Solution
The fourth proportional to 415.33, 622.99 and 107.18 is: 160.77
Step by Step Solution
- Step 1: Write the proportion equation
415.33 : 622.99 = 107.18 : x - Step 2: Convert to fraction form
415.33/622.99 = 107.18/x - Step 3: Cross multiply
415.33x = 622.99 × 107.18 - Step 4: Simplify right side
415.33x = 66,771.53 - Step 5: Solve for x
x = 66,771.53/415.33 - Step 6: Final answer
x = 160.77
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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.