Finding the Fourth Proportional to 313.83, 432.99 and 182.79
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Solution
The fourth proportional to 313.83, 432.99 and 182.79 is: 252.19
Step by Step Solution
- Step 1: Write the proportion equation
313.83 : 432.99 = 182.79 : x - Step 2: Convert to fraction form
313.83/432.99 = 182.79/x - Step 3: Cross multiply
313.83x = 432.99 × 182.79 - Step 4: Simplify right side
313.83x = 79,146.24 - Step 5: Solve for x
x = 79,146.24/313.83 - Step 6: Final answer
x = 252.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.