Finding the Fourth Proportional to 453.98, 680.88 and 377.43
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Solution
The fourth proportional to 453.98, 680.88 and 377.43 is: 566.08
Step by Step Solution
- Step 1: Write the proportion equation
453.98 : 680.88 = 377.43 : x - Step 2: Convert to fraction form
453.98/680.88 = 377.43/x - Step 3: Cross multiply
453.98x = 680.88 × 377.43 - Step 4: Simplify right side
453.98x = 256,988.08 - Step 5: Solve for x
x = 256,988.08/453.98 - Step 6: Final answer
x = 566.08
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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.