Finding the Fourth Proportional to 190.98, 286 and 135.99
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Solution
The fourth proportional to 190.98, 286 and 135.99 is: 203.65
Step by Step Solution
- Step 1: Write the proportion equation
190.98 : 286 = 135.99 : x - Step 2: Convert to fraction form
190.98/286 = 135.99/x - Step 3: Cross multiply
190.98x = 286 × 135.99 - Step 4: Simplify right side
190.98x = 38,893.14 - Step 5: Solve for x
x = 38,893.14/190.98 - Step 6: Final answer
x = 203.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.