Finding the Fourth Proportional to 325.58, 449.14 and 207.70
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Solution
The fourth proportional to 325.58, 449.14 and 207.70 is: 286.52
Step by Step Solution
- Step 1: Write the proportion equation
325.58 : 449.14 = 207.70 : x - Step 2: Convert to fraction form
325.58/449.14 = 207.70/x - Step 3: Cross multiply
325.58x = 449.14 × 207.70 - Step 4: Simplify right side
325.58x = 93,286.38 - Step 5: Solve for x
x = 93,286.38/325.58 - Step 6: Final answer
x = 286.52
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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.