Finding the Fourth Proportional to 264.06, 396.09 and 257.99
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Solution
The fourth proportional to 264.06, 396.09 and 257.99 is: 386.98
Step by Step Solution
- Step 1: Write the proportion equation
264.06 : 396.09 = 257.99 : x - Step 2: Convert to fraction form
264.06/396.09 = 257.99/x - Step 3: Cross multiply
264.06x = 396.09 × 257.99 - Step 4: Simplify right side
264.06x = 102,185.28 - Step 5: Solve for x
x = 102,185.28/264.06 - Step 6: Final answer
x = 386.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.