Finding the Fourth Proportional to 369.87, 554.92 and 207.67
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Solution
The fourth proportional to 369.87, 554.92 and 207.67 is: 311.57
Step by Step Solution
- Step 1: Write the proportion equation
369.87 : 554.92 = 207.67 : x - Step 2: Convert to fraction form
369.87/554.92 = 207.67/x - Step 3: Cross multiply
369.87x = 554.92 × 207.67 - Step 4: Simplify right side
369.87x = 115,240.24 - Step 5: Solve for x
x = 115,240.24/369.87 - Step 6: Final answer
x = 311.57
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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.