Finding the Fourth Proportional to 451.74, 622.08 and 327.18
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Solution
The fourth proportional to 451.74, 622.08 and 327.18 is: 450.55
Step by Step Solution
- Step 1: Write the proportion equation
451.74 : 622.08 = 327.18 : x - Step 2: Convert to fraction form
451.74/622.08 = 327.18/x - Step 3: Cross multiply
451.74x = 622.08 × 327.18 - Step 4: Simplify right side
451.74x = 203,532.13 - Step 5: Solve for x
x = 203,532.13/451.74 - Step 6: Final answer
x = 450.55
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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.