Finding the Fourth Proportional to 433.99, 651.44 and 251.74
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Solution
The fourth proportional to 433.99, 651.44 and 251.74 is: 377.88
Step by Step Solution
- Step 1: Write the proportion equation
433.99 : 651.44 = 251.74 : x - Step 2: Convert to fraction form
433.99/651.44 = 251.74/x - Step 3: Cross multiply
433.99x = 651.44 × 251.74 - Step 4: Simplify right side
433.99x = 163,994.95 - Step 5: Solve for x
x = 163,994.95/433.99 - Step 6: Final answer
x = 377.88
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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.