Finding the Fourth Proportional to 325.42, 449.08 and 178.07
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Solution
The fourth proportional to 325.42, 449.08 and 178.07 is: 245.73
Step by Step Solution
- Step 1: Write the proportion equation
325.42 : 449.08 = 178.07 : x - Step 2: Convert to fraction form
325.42/449.08 = 178.07/x - Step 3: Cross multiply
325.42x = 449.08 × 178.07 - Step 4: Simplify right side
325.42x = 79,964.99 - Step 5: Solve for x
x = 79,964.99/325.42 - Step 6: Final answer
x = 245.73
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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.