Finding the Fourth Proportional to 338.76, 467.25 and 207.84
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Solution
The fourth proportional to 338.76, 467.25 and 207.84 is: 286.67
Step by Step Solution
- Step 1: Write the proportion equation
338.76 : 467.25 = 207.84 : x - Step 2: Convert to fraction form
338.76/467.25 = 207.84/x - Step 3: Cross multiply
338.76x = 467.25 × 207.84 - Step 4: Simplify right side
338.76x = 97,113.24 - Step 5: Solve for x
x = 97,113.24/338.76 - Step 6: Final answer
x = 286.67
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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.