Finding the Fourth Proportional to 464.23, 640.68 and 277.73
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Solution
The fourth proportional to 464.23, 640.68 and 277.73 is: 383.29
Step by Step Solution
- Step 1: Write the proportion equation
464.23 : 640.68 = 277.73 : x - Step 2: Convert to fraction form
464.23/640.68 = 277.73/x - Step 3: Cross multiply
464.23x = 640.68 × 277.73 - Step 4: Simplify right side
464.23x = 177,934.21 - Step 5: Solve for x
x = 177,934.21/464.23 - Step 6: Final answer
x = 383.29
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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.