Finding the Fourth Proportional to 464.37, 640.95 and 267.99
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Solution
The fourth proportional to 464.37, 640.95 and 267.99 is: 369.90
Step by Step Solution
- Step 1: Write the proportion equation
464.37 : 640.95 = 267.99 : x - Step 2: Convert to fraction form
464.37/640.95 = 267.99/x - Step 3: Cross multiply
464.37x = 640.95 × 267.99 - Step 4: Simplify right side
464.37x = 171,768.19 - Step 5: Solve for x
x = 171,768.19/464.37 - Step 6: Final answer
x = 369.90
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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.