Finding the Fourth Proportional to 369.64, 554.11 and 125.99
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Solution
The fourth proportional to 369.64, 554.11 and 125.99 is: 188.88
Step by Step Solution
- Step 1: Write the proportion equation
369.64 : 554.11 = 125.99 : x - Step 2: Convert to fraction form
369.64/554.11 = 125.99/x - Step 3: Cross multiply
369.64x = 554.11 × 125.99 - Step 4: Simplify right side
369.64x = 69,815.14 - Step 5: Solve for x
x = 69,815.14/369.64 - Step 6: Final answer
x = 188.88
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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.