Finding the Fourth Proportional to 150.23, 225.36 and 69.08
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Solution
The fourth proportional to 150.23, 225.36 and 69.08 is: 103.62
Step by Step Solution
- Step 1: Write the proportion equation
150.23 : 225.36 = 69.08 : x - Step 2: Convert to fraction form
150.23/225.36 = 69.08/x - Step 3: Cross multiply
150.23x = 225.36 × 69.08 - Step 4: Simplify right side
150.23x = 15,566.74 - Step 5: Solve for x
x = 15,566.74/150.23 - Step 6: Final answer
x = 103.62
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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.