Finding the Fourth Proportional to 269.04, 371.26 and 156.99
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Solution
The fourth proportional to 269.04, 371.26 and 156.99 is: 216.64
Step by Step Solution
- Step 1: Write the proportion equation
269.04 : 371.26 = 156.99 : x - Step 2: Convert to fraction form
269.04/371.26 = 156.99/x - Step 3: Cross multiply
269.04x = 371.26 × 156.99 - Step 4: Simplify right side
269.04x = 58,284.11 - Step 5: Solve for x
x = 58,284.11/269.04 - Step 6: Final answer
x = 216.64
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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.