Finding the Fourth Proportional to 623.28, 936.99 and 441.99
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Solution
The fourth proportional to 623.28, 936.99 and 441.99 is: 664.45
Step by Step Solution
- Step 1: Write the proportion equation
623.28 : 936.99 = 441.99 : x - Step 2: Convert to fraction form
623.28/936.99 = 441.99/x - Step 3: Cross multiply
623.28x = 936.99 × 441.99 - Step 4: Simplify right side
623.28x = 414,140.21 - Step 5: Solve for x
x = 414,140.21/623.28 - Step 6: Final answer
x = 664.45
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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.