Finding the Fourth Proportional to 550.13, 758.94 and 360.99
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Solution
The fourth proportional to 550.13, 758.94 and 360.99 is: 498.01
Step by Step Solution
- Step 1: Write the proportion equation
550.13 : 758.94 = 360.99 : x - Step 2: Convert to fraction form
550.13/758.94 = 360.99/x - Step 3: Cross multiply
550.13x = 758.94 × 360.99 - Step 4: Simplify right side
550.13x = 273,968.40 - Step 5: Solve for x
x = 273,968.40/550.13 - Step 6: Final answer
x = 498.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.