Finding the Fourth Proportional to 263.32, 394.99 and 177.21
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Solution
The fourth proportional to 263.32, 394.99 and 177.21 is: 265.82
Step by Step Solution
- Step 1: Write the proportion equation
263.32 : 394.99 = 177.21 : x - Step 2: Convert to fraction form
263.32/394.99 = 177.21/x - Step 3: Cross multiply
263.32x = 394.99 × 177.21 - Step 4: Simplify right side
263.32x = 69,995.73 - Step 5: Solve for x
x = 69,995.73/263.32 - Step 6: Final answer
x = 265.82
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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.