Finding the Fourth Proportional to 369.87, 554.93 and 207.68
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Solution
The fourth proportional to 369.87, 554.93 and 207.68 is: 311.58
Step by Step Solution
- Step 1: Write the proportion equation
369.87 : 554.93 = 207.68 : x - Step 2: Convert to fraction form
369.87/554.93 = 207.68/x - Step 3: Cross multiply
369.87x = 554.93 × 207.68 - Step 4: Simplify right side
369.87x = 115,244.05 - Step 5: Solve for x
x = 115,244.05/369.87 - Step 6: Final answer
x = 311.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.