Finding the Fourth Proportional to 366.79, 550.19 and 135.73
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Solution
The fourth proportional to 366.79, 550.19 and 135.73 is: 203.60
Step by Step Solution
- Step 1: Write the proportion equation
366.79 : 550.19 = 135.73 : x - Step 2: Convert to fraction form
366.79/550.19 = 135.73/x - Step 3: Cross multiply
366.79x = 550.19 × 135.73 - Step 4: Simplify right side
366.79x = 74,677.29 - Step 5: Solve for x
x = 74,677.29/366.79 - Step 6: Final answer
x = 203.60
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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.