Finding the Fourth Proportional to 137.99, 207 and 135.73
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Solution
The fourth proportional to 137.99, 207 and 135.73 is: 203.61
Step by Step Solution
- Step 1: Write the proportion equation
137.99 : 207 = 135.73 : x - Step 2: Convert to fraction form
137.99/207 = 135.73/x - Step 3: Cross multiply
137.99x = 207 × 135.73 - Step 4: Simplify right side
137.99x = 28,096.11 - Step 5: Solve for x
x = 28,096.11/137.99 - Step 6: Final answer
x = 203.61
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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.