Finding the Fourth Proportional to 338.68, 467.26 and 207.69
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Solution
The fourth proportional to 338.68, 467.26 and 207.69 is: 286.54
Step by Step Solution
- Step 1: Write the proportion equation
338.68 : 467.26 = 207.69 : x - Step 2: Convert to fraction form
338.68/467.26 = 207.69/x - Step 3: Cross multiply
338.68x = 467.26 × 207.69 - Step 4: Simplify right side
338.68x = 97,045.23 - Step 5: Solve for x
x = 97,045.23/338.68 - Step 6: Final answer
x = 286.54
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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.