Finding the Fourth Proportional to 366.63, 550.09 and 258.19
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Solution
The fourth proportional to 366.63, 550.09 and 258.19 is: 387.39
Step by Step Solution
- Step 1: Write the proportion equation
366.63 : 550.09 = 258.19 : x - Step 2: Convert to fraction form
366.63/550.09 = 258.19/x - Step 3: Cross multiply
366.63x = 550.09 × 258.19 - Step 4: Simplify right side
366.63x = 142,026.68 - Step 5: Solve for x
x = 142,026.68/366.63 - Step 6: Final answer
x = 387.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.