Finding the Fourth Proportional to 246.88, 369.28 and 207.68
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Solution
The fourth proportional to 246.88, 369.28 and 207.68 is: 310.65
Step by Step Solution
- Step 1: Write the proportion equation
246.88 : 369.28 = 207.68 : x - Step 2: Convert to fraction form
246.88/369.28 = 207.68/x - Step 3: Cross multiply
246.88x = 369.28 × 207.68 - Step 4: Simplify right side
246.88x = 76,692.07 - Step 5: Solve for x
x = 76,692.07/246.88 - Step 6: Final answer
x = 310.65
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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.