Finding the Fourth Proportional to 344.79, 475.65 and 270.99
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Solution
The fourth proportional to 344.79, 475.65 and 270.99 is: 373.84
Step by Step Solution
- Step 1: Write the proportion equation
344.79 : 475.65 = 270.99 : x - Step 2: Convert to fraction form
344.79/475.65 = 270.99/x - Step 3: Cross multiply
344.79x = 475.65 × 270.99 - Step 4: Simplify right side
344.79x = 128,896.39 - Step 5: Solve for x
x = 128,896.39/344.79 - Step 6: Final answer
x = 373.84
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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.