Finding the Fourth Proportional to 150.15, 206.99 and 118.94
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Solution
The fourth proportional to 150.15, 206.99 and 118.94 is: 163.95
Step by Step Solution
- Step 1: Write the proportion equation
150.15 : 206.99 = 118.94 : x - Step 2: Convert to fraction form
150.15/206.99 = 118.94/x - Step 3: Cross multiply
150.15x = 206.99 × 118.94 - Step 4: Simplify right side
150.15x = 24,618.21 - Step 5: Solve for x
x = 24,618.21/150.15 - Step 6: Final answer
x = 163.95
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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.