Finding the Fourth Proportional to 325.11, 448.68 and 177.76
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Solution
The fourth proportional to 325.11, 448.68 and 177.76 is: 245.32
Step by Step Solution
- Step 1: Write the proportion equation
325.11 : 448.68 = 177.76 : x - Step 2: Convert to fraction form
325.11/448.68 = 177.76/x - Step 3: Cross multiply
325.11x = 448.68 × 177.76 - Step 4: Simplify right side
325.11x = 79,757.36 - Step 5: Solve for x
x = 79,757.36/325.11 - Step 6: Final answer
x = 245.32
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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.