Finding the Fourth Proportional to 278.99, 418.62 and 175.99
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Solution
The fourth proportional to 278.99, 418.62 and 175.99 is: 264.06
Step by Step Solution
- Step 1: Write the proportion equation
278.99 : 418.62 = 175.99 : x - Step 2: Convert to fraction form
278.99/418.62 = 175.99/x - Step 3: Cross multiply
278.99x = 418.62 × 175.99 - Step 4: Simplify right side
278.99x = 73,670.84 - Step 5: Solve for x
x = 73,670.84/278.99 - Step 6: Final answer
x = 264.06
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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.