Finding the Fourth Proportional to 240.93, 360.90 and 153.99
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Solution
The fourth proportional to 240.93, 360.90 and 153.99 is: 230.67
Step by Step Solution
- Step 1: Write the proportion equation
240.93 : 360.90 = 153.99 : x - Step 2: Convert to fraction form
240.93/360.90 = 153.99/x - Step 3: Cross multiply
240.93x = 360.90 × 153.99 - Step 4: Simplify right side
240.93x = 55,574.99 - Step 5: Solve for x
x = 55,574.99/240.93 - Step 6: Final answer
x = 230.67
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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.