Finding the Fourth Proportional to 245.75, 339.19 and 162.99
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Solution
The fourth proportional to 245.75, 339.19 and 162.99 is: 224.97
Step by Step Solution
- Step 1: Write the proportion equation
245.75 : 339.19 = 162.99 : x - Step 2: Convert to fraction form
245.75/339.19 = 162.99/x - Step 3: Cross multiply
245.75x = 339.19 × 162.99 - Step 4: Simplify right side
245.75x = 55,284.17 - Step 5: Solve for x
x = 55,284.17/245.75 - Step 6: Final answer
x = 224.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.