Finding the Fourth Proportional to 268.24, 370.08 and 157.68
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Solution
The fourth proportional to 268.24, 370.08 and 157.68 is: 217.54
Step by Step Solution
- Step 1: Write the proportion equation
268.24 : 370.08 = 157.68 : x - Step 2: Convert to fraction form
268.24/370.08 = 157.68/x - Step 3: Cross multiply
268.24x = 370.08 × 157.68 - Step 4: Simplify right side
268.24x = 58,354.21 - Step 5: Solve for x
x = 58,354.21/268.24 - Step 6: Final answer
x = 217.54
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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.