Finding the Fourth Proportional to 240.81, 361.08 and 202.53
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Solution
The fourth proportional to 240.81, 361.08 and 202.53 is: 303.68
Step by Step Solution
- Step 1: Write the proportion equation
240.81 : 361.08 = 202.53 : x - Step 2: Convert to fraction form
240.81/361.08 = 202.53/x - Step 3: Cross multiply
240.81x = 361.08 × 202.53 - Step 4: Simplify right side
240.81x = 73,129.53 - Step 5: Solve for x
x = 73,129.53/240.81 - Step 6: Final answer
x = 303.68
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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.