Finding the Fourth Proportional to 150.05, 225.38 and 89.30
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Solution
The fourth proportional to 150.05, 225.38 and 89.30 is: 134.13
Step by Step Solution
- Step 1: Write the proportion equation
150.05 : 225.38 = 89.30 : x - Step 2: Convert to fraction form
150.05/225.38 = 89.30/x - Step 3: Cross multiply
150.05x = 225.38 × 89.30 - Step 4: Simplify right side
150.05x = 20,127.22 - Step 5: Solve for x
x = 20,127.22/150.05 - Step 6: Final answer
x = 134.13
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.