Finding the Fourth Proportional to 470.99, 649.97 and 261.18
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Solution
The fourth proportional to 470.99, 649.97 and 261.18 is: 360.43
Step by Step Solution
- Step 1: Write the proportion equation
470.99 : 649.97 = 261.18 : x - Step 2: Convert to fraction form
470.99/649.97 = 261.18/x - Step 3: Cross multiply
470.99x = 649.97 × 261.18 - Step 4: Simplify right side
470.99x = 169,761.44 - Step 5: Solve for x
x = 169,761.44/470.99 - Step 6: Final answer
x = 360.43
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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.