Finding the Fourth Proportional to 369.60, 554.17 and 125.99
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Solution
The fourth proportional to 369.60, 554.17 and 125.99 is: 188.91
Step by Step Solution
- Step 1: Write the proportion equation
369.60 : 554.17 = 125.99 : x - Step 2: Convert to fraction form
369.60/554.17 = 125.99/x - Step 3: Cross multiply
369.60x = 554.17 × 125.99 - Step 4: Simplify right side
369.60x = 69,819.88 - Step 5: Solve for x
x = 69,819.88/369.60 - Step 6: Final answer
x = 188.91
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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.