Finding the Fourth Proportional to 453.99, 680.99 and 180.01
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Solution
The fourth proportional to 453.99, 680.99 and 180.01 is: 270.02
Step by Step Solution
- Step 1: Write the proportion equation
453.99 : 680.99 = 180.01 : x - Step 2: Convert to fraction form
453.99/680.99 = 180.01/x - Step 3: Cross multiply
453.99x = 680.99 × 180.01 - Step 4: Simplify right side
453.99x = 122,585.01 - Step 5: Solve for x
x = 122,585.01/453.99 - Step 6: Final answer
x = 270.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.