Finding the Fourth Proportional to 269.99, 372.38 and 164.99
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Solution
The fourth proportional to 269.99, 372.38 and 164.99 is: 227.56
Step by Step Solution
- Step 1: Write the proportion equation
269.99 : 372.38 = 164.99 : x - Step 2: Convert to fraction form
269.99/372.38 = 164.99/x - Step 3: Cross multiply
269.99x = 372.38 × 164.99 - Step 4: Simplify right side
269.99x = 61,438.98 - Step 5: Solve for x
x = 61,438.98/269.99 - Step 6: Final answer
x = 227.56
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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.