Finding the Fourth Proportional to 261.99, 361.73 and 235.71
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Solution
The fourth proportional to 261.99, 361.73 and 235.71 is: 325.45
Step by Step Solution
- Step 1: Write the proportion equation
261.99 : 361.73 = 235.71 : x - Step 2: Convert to fraction form
261.99/361.73 = 235.71/x - Step 3: Cross multiply
261.99x = 361.73 × 235.71 - Step 4: Simplify right side
261.99x = 85,263.97 - Step 5: Solve for x
x = 85,263.97/261.99 - Step 6: Final answer
x = 325.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.