Finding the Fourth Proportional to 144.13, 198.99 and 112.99
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Solution
The fourth proportional to 144.13, 198.99 and 112.99 is: 156.00
Step by Step Solution
- Step 1: Write the proportion equation
144.13 : 198.99 = 112.99 : x - Step 2: Convert to fraction form
144.13/198.99 = 112.99/x - Step 3: Cross multiply
144.13x = 198.99 × 112.99 - Step 4: Simplify right side
144.13x = 22,483.88 - Step 5: Solve for x
x = 22,483.88/144.13 - Step 6: Final answer
x = 156.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.