Finding the Fourth Proportional to 755.80, 1,133.70 and 207.99
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Solution
The fourth proportional to 755.80, 1,133.70 and 207.99 is: 311.98
Step by Step Solution
- Step 1: Write the proportion equation
755.80 : 1,133.70 = 207.99 : x - Step 2: Convert to fraction form
755.80/1,133.70 = 207.99/x - Step 3: Cross multiply
755.80x = 1,133.70 × 207.99 - Step 4: Simplify right side
755.80x = 235,791.55 - Step 5: Solve for x
x = 235,791.55/755.80 - Step 6: Final answer
x = 311.98
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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.