Finding the Fourth Proportional to 150.03, 225.10 and 84.99
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Solution
The fourth proportional to 150.03, 225.10 and 84.99 is: 127.51
Step by Step Solution
- Step 1: Write the proportion equation
150.03 : 225.10 = 84.99 : x - Step 2: Convert to fraction form
150.03/225.10 = 84.99/x - Step 3: Cross multiply
150.03x = 225.10 × 84.99 - Step 4: Simplify right side
150.03x = 19,129.70 - Step 5: Solve for x
x = 19,129.70/150.03 - Step 6: Final answer
x = 127.51
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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.