Finding the Fourth Proportional to 325.79, 450.14 and 255.99
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Solution
The fourth proportional to 325.79, 450.14 and 255.99 is: 353.71
Step by Step Solution
- Step 1: Write the proportion equation
325.79 : 450.14 = 255.99 : x - Step 2: Convert to fraction form
325.79/450.14 = 255.99/x - Step 3: Cross multiply
325.79x = 450.14 × 255.99 - Step 4: Simplify right side
325.79x = 115,233.19 - Step 5: Solve for x
x = 115,233.19/325.79 - Step 6: Final answer
x = 353.71
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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.