Finding the Fourth Proportional to 460.99, 636.26 and 274.49
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Solution
The fourth proportional to 460.99, 636.26 and 274.49 is: 378.85
Step by Step Solution
- Step 1: Write the proportion equation
460.99 : 636.26 = 274.49 : x - Step 2: Convert to fraction form
460.99/636.26 = 274.49/x - Step 3: Cross multiply
460.99x = 636.26 × 274.49 - Step 4: Simplify right side
460.99x = 174,644.84 - Step 5: Solve for x
x = 174,644.84/460.99 - Step 6: Final answer
x = 378.85
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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.