Finding the Fourth Proportional to 409.07, 564.47 and 240.99
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Solution
The fourth proportional to 409.07, 564.47 and 240.99 is: 332.54
Step by Step Solution
- Step 1: Write the proportion equation
409.07 : 564.47 = 240.99 : x - Step 2: Convert to fraction form
409.07/564.47 = 240.99/x - Step 3: Cross multiply
409.07x = 564.47 × 240.99 - Step 4: Simplify right side
409.07x = 136,032.23 - Step 5: Solve for x
x = 136,032.23/409.07 - Step 6: Final answer
x = 332.54
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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.