Finding the Fourth Proportional to 550.68, 759.91 and 301.99
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Solution
The fourth proportional to 550.68, 759.91 and 301.99 is: 416.73
Step by Step Solution
- Step 1: Write the proportion equation
550.68 : 759.91 = 301.99 : x - Step 2: Convert to fraction form
550.68/759.91 = 301.99/x - Step 3: Cross multiply
550.68x = 759.91 × 301.99 - Step 4: Simplify right side
550.68x = 229,485.22 - Step 5: Solve for x
x = 229,485.22/550.68 - Step 6: Final answer
x = 416.73
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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.