Finding the Fourth Proportional to 336.25, 464.84 and 257.99
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Solution
The fourth proportional to 336.25, 464.84 and 257.99 is: 356.64
Step by Step Solution
- Step 1: Write the proportion equation
336.25 : 464.84 = 257.99 : x - Step 2: Convert to fraction form
336.25/464.84 = 257.99/x - Step 3: Cross multiply
336.25x = 464.84 × 257.99 - Step 4: Simplify right side
336.25x = 119,921.42 - Step 5: Solve for x
x = 119,921.42/336.25 - Step 6: Final answer
x = 356.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.