Finding the Fourth Proportional to 338.93, 467.87 and 227.07
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Solution
The fourth proportional to 338.93, 467.87 and 227.07 is: 313.45
Step by Step Solution
- Step 1: Write the proportion equation
338.93 : 467.87 = 227.07 : x - Step 2: Convert to fraction form
338.93/467.87 = 227.07/x - Step 3: Cross multiply
338.93x = 467.87 × 227.07 - Step 4: Simplify right side
338.93x = 106,239.24 - Step 5: Solve for x
x = 106,239.24/338.93 - Step 6: Final answer
x = 313.45
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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.