Finding the Fourth Proportional to 359.82, 539.60 and 278.73
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Solution
The fourth proportional to 359.82, 539.60 and 278.73 is: 417.99
Step by Step Solution
- Step 1: Write the proportion equation
359.82 : 539.60 = 278.73 : x - Step 2: Convert to fraction form
359.82/539.60 = 278.73/x - Step 3: Cross multiply
359.82x = 539.60 × 278.73 - Step 4: Simplify right side
359.82x = 150,401.31 - Step 5: Solve for x
x = 150,401.31/359.82 - Step 6: Final answer
x = 417.99
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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.