Finding the Fourth Proportional to 366.99, 550.08 and 135.81
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Solution
The fourth proportional to 366.99, 550.08 and 135.81 is: 203.57
Step by Step Solution
- Step 1: Write the proportion equation
366.99 : 550.08 = 135.81 : x - Step 2: Convert to fraction form
366.99/550.08 = 135.81/x - Step 3: Cross multiply
366.99x = 550.08 × 135.81 - Step 4: Simplify right side
366.99x = 74,706.36 - Step 5: Solve for x
x = 74,706.36/366.99 - Step 6: Final answer
x = 203.57
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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.