Finding the Fourth Proportional to 366.74, 550.33 and 135.79
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Solution
The fourth proportional to 366.74, 550.33 and 135.79 is: 203.76
Step by Step Solution
- Step 1: Write the proportion equation
366.74 : 550.33 = 135.79 : x - Step 2: Convert to fraction form
366.74/550.33 = 135.79/x - Step 3: Cross multiply
366.74x = 550.33 × 135.79 - Step 4: Simplify right side
366.74x = 74,728.63 - Step 5: Solve for x
x = 74,728.63/366.74 - Step 6: Final answer
x = 203.76
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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.