Finding the Fourth Proportional to 590.76, 815.24 and 342.06
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Solution
The fourth proportional to 590.76, 815.24 and 342.06 is: 472.04
Step by Step Solution
- Step 1: Write the proportion equation
590.76 : 815.24 = 342.06 : x - Step 2: Convert to fraction form
590.76/815.24 = 342.06/x - Step 3: Cross multiply
590.76x = 815.24 × 342.06 - Step 4: Simplify right side
590.76x = 278,860.99 - Step 5: Solve for x
x = 278,860.99/590.76 - Step 6: Final answer
x = 472.04
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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.