Finding the Fourth Proportional to 451.44, 622.44 and 340.92
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Solution
The fourth proportional to 451.44, 622.44 and 340.92 is: 470.06
Step by Step Solution
- Step 1: Write the proportion equation
451.44 : 622.44 = 340.92 : x - Step 2: Convert to fraction form
451.44/622.44 = 340.92/x - Step 3: Cross multiply
451.44x = 622.44 × 340.92 - Step 4: Simplify right side
451.44x = 212,202.24 - Step 5: Solve for x
x = 212,202.24/451.44 - Step 6: Final answer
x = 470.06
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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.