Finding the Fourth Proportional to 150.44, 207.53 and 97.99
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Solution
The fourth proportional to 150.44, 207.53 and 97.99 is: 135.18
Step by Step Solution
- Step 1: Write the proportion equation
150.44 : 207.53 = 97.99 : x - Step 2: Convert to fraction form
150.44/207.53 = 97.99/x - Step 3: Cross multiply
150.44x = 207.53 × 97.99 - Step 4: Simplify right side
150.44x = 20,335.22 - Step 5: Solve for x
x = 20,335.22/150.44 - Step 6: Final answer
x = 135.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.