Finding the Fourth Proportional to 453.99, 626.49 and 276.96
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Solution
The fourth proportional to 453.99, 626.49 and 276.96 is: 382.19
Step by Step Solution
- Step 1: Write the proportion equation
453.99 : 626.49 = 276.96 : x - Step 2: Convert to fraction form
453.99/626.49 = 276.96/x - Step 3: Cross multiply
453.99x = 626.49 × 276.96 - Step 4: Simplify right side
453.99x = 173,512.67 - Step 5: Solve for x
x = 173,512.67/453.99 - Step 6: Final answer
x = 382.19
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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.