Finding the Fourth Proportional to 415.06, 622.18 and 232.08
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Solution
The fourth proportional to 415.06, 622.18 and 232.08 is: 347.90
Step by Step Solution
- Step 1: Write the proportion equation
415.06 : 622.18 = 232.08 : x - Step 2: Convert to fraction form
415.06/622.18 = 232.08/x - Step 3: Cross multiply
415.06x = 622.18 × 232.08 - Step 4: Simplify right side
415.06x = 144,396.99 - Step 5: Solve for x
x = 144,396.99/415.06 - Step 6: Final answer
x = 347.90
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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.