Finding the Fourth Proportional to 338.24, 466.68 and 207.20
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Solution
The fourth proportional to 338.24, 466.68 and 207.20 is: 285.88
Step by Step Solution
- Step 1: Write the proportion equation
338.24 : 466.68 = 207.20 : x - Step 2: Convert to fraction form
338.24/466.68 = 207.20/x - Step 3: Cross multiply
338.24x = 466.68 × 207.20 - Step 4: Simplify right side
338.24x = 96,696.10 - Step 5: Solve for x
x = 96,696.10/338.24 - Step 6: Final answer
x = 285.88
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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.