Finding the Fourth Proportional to 236.99, 355.01 and 159.99
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Solution
The fourth proportional to 236.99, 355.01 and 159.99 is: 239.67
Step by Step Solution
- Step 1: Write the proportion equation
236.99 : 355.01 = 159.99 : x - Step 2: Convert to fraction form
236.99/355.01 = 159.99/x - Step 3: Cross multiply
236.99x = 355.01 × 159.99 - Step 4: Simplify right side
236.99x = 56,797.25 - Step 5: Solve for x
x = 56,797.25/236.99 - Step 6: Final answer
x = 239.67
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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.