Finding the Fourth Proportional to 433.96, 651.21 and 251.44
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Solution
The fourth proportional to 433.96, 651.21 and 251.44 is: 377.32
Step by Step Solution
- Step 1: Write the proportion equation
433.96 : 651.21 = 251.44 : x - Step 2: Convert to fraction form
433.96/651.21 = 251.44/x - Step 3: Cross multiply
433.96x = 651.21 × 251.44 - Step 4: Simplify right side
433.96x = 163,740.24 - Step 5: Solve for x
x = 163,740.24/433.96 - Step 6: Final answer
x = 377.32
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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.