Finding the Fourth Proportional to 324.95, 486.21 and 195.02
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Solution
The fourth proportional to 324.95, 486.21 and 195.02 is: 291.80
Step by Step Solution
- Step 1: Write the proportion equation
324.95 : 486.21 = 195.02 : x - Step 2: Convert to fraction form
324.95/486.21 = 195.02/x - Step 3: Cross multiply
324.95x = 486.21 × 195.02 - Step 4: Simplify right side
324.95x = 94,818.24 - Step 5: Solve for x
x = 94,818.24/324.95 - Step 6: Final answer
x = 291.80
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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.