Finding the Fourth Proportional to 453.28, 626.08 and 450.08
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Solution
The fourth proportional to 453.28, 626.08 and 450.08 is: 621.66
Step by Step Solution
- Step 1: Write the proportion equation
453.28 : 626.08 = 450.08 : x - Step 2: Convert to fraction form
453.28/626.08 = 450.08/x - Step 3: Cross multiply
453.28x = 626.08 × 450.08 - Step 4: Simplify right side
453.28x = 281,786.09 - Step 5: Solve for x
x = 281,786.09/453.28 - Step 6: Final answer
x = 621.66
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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.