Finding the Fourth Proportional to 586.44, 879.68 and 221.14
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Solution
The fourth proportional to 586.44, 879.68 and 221.14 is: 331.72
Step by Step Solution
- Step 1: Write the proportion equation
586.44 : 879.68 = 221.14 : x - Step 2: Convert to fraction form
586.44/879.68 = 221.14/x - Step 3: Cross multiply
586.44x = 879.68 × 221.14 - Step 4: Simplify right side
586.44x = 194,532.44 - Step 5: Solve for x
x = 194,532.44/586.44 - Step 6: Final answer
x = 331.72
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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.