Finding the Fourth Proportional to 245, 367.50 and 74
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Solution
The fourth proportional to 245, 367.50 and 74 is: 111
Step by Step Solution
- Step 1: Write the proportion equation
245 : 367.50 = 74 : x - Step 2: Convert to fraction form
245/367.50 = 74/x - Step 3: Cross multiply
245x = 367.50 × 74 - Step 4: Simplify right side
245x = 27,195 - Step 5: Solve for x
x = 27,195/245 - Step 6: Final answer
x = 111
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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.