Finding the Fourth Proportional to 268.43, 370.42 and 151.99
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Solution
The fourth proportional to 268.43, 370.42 and 151.99 is: 209.74
Step by Step Solution
- Step 1: Write the proportion equation
268.43 : 370.42 = 151.99 : x - Step 2: Convert to fraction form
268.43/370.42 = 151.99/x - Step 3: Cross multiply
268.43x = 370.42 × 151.99 - Step 4: Simplify right side
268.43x = 56,299.21 - Step 5: Solve for x
x = 56,299.21/268.43 - Step 6: Final answer
x = 209.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.