Finding the Fourth Proportional to 367.12, 550.74 and 135.98
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Solution
The fourth proportional to 367.12, 550.74 and 135.98 is: 203.99
Step by Step Solution
- Step 1: Write the proportion equation
367.12 : 550.74 = 135.98 : x - Step 2: Convert to fraction form
367.12/550.74 = 135.98/x - Step 3: Cross multiply
367.12x = 550.74 × 135.98 - Step 4: Simplify right side
367.12x = 74,889.63 - Step 5: Solve for x
x = 74,889.63/367.12 - Step 6: Final answer
x = 203.99
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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.