Finding the Fourth Proportional to 370.28, 511.11 and 222.99
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Solution
The fourth proportional to 370.28, 511.11 and 222.99 is: 307.80
Step by Step Solution
- Step 1: Write the proportion equation
370.28 : 511.11 = 222.99 : x - Step 2: Convert to fraction form
370.28/511.11 = 222.99/x - Step 3: Cross multiply
370.28x = 511.11 × 222.99 - Step 4: Simplify right side
370.28x = 113,972.42 - Step 5: Solve for x
x = 113,972.42/370.28 - Step 6: Final answer
x = 307.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.