Finding the Fourth Proportional to 676.67, 934.68 and 499.99
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Solution
The fourth proportional to 676.67, 934.68 and 499.99 is: 690.63
Step by Step Solution
- Step 1: Write the proportion equation
676.67 : 934.68 = 499.99 : x - Step 2: Convert to fraction form
676.67/934.68 = 499.99/x - Step 3: Cross multiply
676.67x = 934.68 × 499.99 - Step 4: Simplify right side
676.67x = 467,330.65 - Step 5: Solve for x
x = 467,330.65/676.67 - Step 6: Final answer
x = 690.63
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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.