Finding the Fourth Proportional to 464.81, 641.44 and 254.99
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Solution
The fourth proportional to 464.81, 641.44 and 254.99 is: 351.88
Step by Step Solution
- Step 1: Write the proportion equation
464.81 : 641.44 = 254.99 : x - Step 2: Convert to fraction form
464.81/641.44 = 254.99/x - Step 3: Cross multiply
464.81x = 641.44 × 254.99 - Step 4: Simplify right side
464.81x = 163,558.54 - Step 5: Solve for x
x = 163,558.54/464.81 - Step 6: Final answer
x = 351.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.