Finding the Fourth Proportional to 511.29, 767.21 and 368.19
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Solution
The fourth proportional to 511.29, 767.21 and 368.19 is: 552.48
Step by Step Solution
- Step 1: Write the proportion equation
511.29 : 767.21 = 368.19 : x - Step 2: Convert to fraction form
511.29/767.21 = 368.19/x - Step 3: Cross multiply
511.29x = 767.21 × 368.19 - Step 4: Simplify right side
511.29x = 282,477.21 - Step 5: Solve for x
x = 282,477.21/511.29 - Step 6: Final answer
x = 552.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.