Finding the Fourth Proportional to 370.84, 556.36 and 154.44
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Solution
The fourth proportional to 370.84, 556.36 and 154.44 is: 231.70
Step by Step Solution
- Step 1: Write the proportion equation
370.84 : 556.36 = 154.44 : x - Step 2: Convert to fraction form
370.84/556.36 = 154.44/x - Step 3: Cross multiply
370.84x = 556.36 × 154.44 - Step 4: Simplify right side
370.84x = 85,924.24 - Step 5: Solve for x
x = 85,924.24/370.84 - Step 6: Final answer
x = 231.70
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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.