Finding the Fourth Proportional to 149.37, 224.05 and 118.99
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Solution
The fourth proportional to 149.37, 224.05 and 118.99 is: 178.49
Step by Step Solution
- Step 1: Write the proportion equation
149.37 : 224.05 = 118.99 : x - Step 2: Convert to fraction form
149.37/224.05 = 118.99/x - Step 3: Cross multiply
149.37x = 224.05 × 118.99 - Step 4: Simplify right side
149.37x = 26,660.14 - Step 5: Solve for x
x = 26,660.14/149.37 - Step 6: Final answer
x = 178.49
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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.