Finding the Fourth Proportional to 245.02, 367.61 and 107.99
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Solution
The fourth proportional to 245.02, 367.61 and 107.99 is: 162.02
Step by Step Solution
- Step 1: Write the proportion equation
245.02 : 367.61 = 107.99 : x - Step 2: Convert to fraction form
245.02/367.61 = 107.99/x - Step 3: Cross multiply
245.02x = 367.61 × 107.99 - Step 4: Simplify right side
245.02x = 39,698.20 - Step 5: Solve for x
x = 39,698.20/245.02 - Step 6: Final answer
x = 162.02
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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.