Finding the Fourth Proportional to 239.01, 358.63 and 84.96
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Solution
The fourth proportional to 239.01, 358.63 and 84.96 is: 127.48
Step by Step Solution
- Step 1: Write the proportion equation
239.01 : 358.63 = 84.96 : x - Step 2: Convert to fraction form
239.01/358.63 = 84.96/x - Step 3: Cross multiply
239.01x = 358.63 × 84.96 - Step 4: Simplify right side
239.01x = 30,468.99 - Step 5: Solve for x
x = 30,468.99/239.01 - Step 6: Final answer
x = 127.48
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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.