Finding the Fourth Proportional to 245.15, 367.44 and 114.99
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Solution
The fourth proportional to 245.15, 367.44 and 114.99 is: 172.35
Step by Step Solution
- Step 1: Write the proportion equation
245.15 : 367.44 = 114.99 : x - Step 2: Convert to fraction form
245.15/367.44 = 114.99/x - Step 3: Cross multiply
245.15x = 367.44 × 114.99 - Step 4: Simplify right side
245.15x = 42,251.93 - Step 5: Solve for x
x = 42,251.93/245.15 - Step 6: Final answer
x = 172.35
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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.