Finding the Fourth Proportional to 451.53, 676.62 and 207.99
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Solution
The fourth proportional to 451.53, 676.62 and 207.99 is: 311.67
Step by Step Solution
- Step 1: Write the proportion equation
451.53 : 676.62 = 207.99 : x - Step 2: Convert to fraction form
451.53/676.62 = 207.99/x - Step 3: Cross multiply
451.53x = 676.62 × 207.99 - Step 4: Simplify right side
451.53x = 140,730.19 - Step 5: Solve for x
x = 140,730.19/451.53 - Step 6: Final answer
x = 311.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.