Finding the Fourth Proportional to 183.24, 253.08 and 157.68
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Solution
The fourth proportional to 183.24, 253.08 and 157.68 is: 217.78
Step by Step Solution
- Step 1: Write the proportion equation
183.24 : 253.08 = 157.68 : x - Step 2: Convert to fraction form
183.24/253.08 = 157.68/x - Step 3: Cross multiply
183.24x = 253.08 × 157.68 - Step 4: Simplify right side
183.24x = 39,905.65 - Step 5: Solve for x
x = 39,905.65/183.24 - Step 6: Final answer
x = 217.78
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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.