Finding the Fourth Proportional to 392.00, 588.02 and 131.99
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Solution
The fourth proportional to 392.00, 588.02 and 131.99 is: 197.99
Step by Step Solution
- Step 1: Write the proportion equation
392.00 : 588.02 = 131.99 : x - Step 2: Convert to fraction form
392.00/588.02 = 131.99/x - Step 3: Cross multiply
392.00x = 588.02 × 131.99 - Step 4: Simplify right side
392.00x = 77,610.26 - Step 5: Solve for x
x = 77,610.26/392.00 - Step 6: Final answer
x = 197.99
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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.