Finding the Fourth Proportional to 408.71, 563.63 and 374.99
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Solution
The fourth proportional to 408.71, 563.63 and 374.99 is: 517.11
Step by Step Solution
- Step 1: Write the proportion equation
408.71 : 563.63 = 374.99 : x - Step 2: Convert to fraction form
408.71/563.63 = 374.99/x - Step 3: Cross multiply
408.71x = 563.63 × 374.99 - Step 4: Simplify right side
408.71x = 211,350.92 - Step 5: Solve for x
x = 211,350.92/408.71 - Step 6: Final answer
x = 517.11
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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.