Finding the Fourth Proportional to 318.99, 477.18 and 241.37
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Solution
The fourth proportional to 318.99, 477.18 and 241.37 is: 361.07
Step by Step Solution
- Step 1: Write the proportion equation
318.99 : 477.18 = 241.37 : x - Step 2: Convert to fraction form
318.99/477.18 = 241.37/x - Step 3: Cross multiply
318.99x = 477.18 × 241.37 - Step 4: Simplify right side
318.99x = 115,178.13 - Step 5: Solve for x
x = 115,178.13/318.99 - Step 6: Final answer
x = 361.07
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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.