Finding the Fourth Proportional to 325.21, 448.79 and 177.84
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Solution
The fourth proportional to 325.21, 448.79 and 177.84 is: 245.42
Step by Step Solution
- Step 1: Write the proportion equation
325.21 : 448.79 = 177.84 : x - Step 2: Convert to fraction form
325.21/448.79 = 177.84/x - Step 3: Cross multiply
325.21x = 448.79 × 177.84 - Step 4: Simplify right side
325.21x = 79,812.81 - Step 5: Solve for x
x = 79,812.81/325.21 - Step 6: Final answer
x = 245.42
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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.