Finding the Fourth Proportional to 349.99, 483.09 and 239.42
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Solution
The fourth proportional to 349.99, 483.09 and 239.42 is: 330.48
Step by Step Solution
- Step 1: Write the proportion equation
349.99 : 483.09 = 239.42 : x - Step 2: Convert to fraction form
349.99/483.09 = 239.42/x - Step 3: Cross multiply
349.99x = 483.09 × 239.42 - Step 4: Simplify right side
349.99x = 115,661.41 - Step 5: Solve for x
x = 115,661.41/349.99 - Step 6: Final answer
x = 330.48
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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.