Finding the Fourth Proportional to 521.88, 782.36 and 197.03
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Solution
The fourth proportional to 521.88, 782.36 and 197.03 is: 295.38
Step by Step Solution
- Step 1: Write the proportion equation
521.88 : 782.36 = 197.03 : x - Step 2: Convert to fraction form
521.88/782.36 = 197.03/x - Step 3: Cross multiply
521.88x = 782.36 × 197.03 - Step 4: Simplify right side
521.88x = 154,150.10 - Step 5: Solve for x
x = 154,150.10/521.88 - Step 6: Final answer
x = 295.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.