Finding the Fourth Proportional to 1,568.16, 2,352.56 and 472.62
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Solution
The fourth proportional to 1,568.16, 2,352.56 and 472.62 is: 709.02
Step by Step Solution
- Step 1: Write the proportion equation
1,568.16 : 2,352.56 = 472.62 : x - Step 2: Convert to fraction form
1,568.16/2,352.56 = 472.62/x - Step 3: Cross multiply
1,568.16x = 2,352.56 × 472.62 - Step 4: Simplify right side
1,568.16x = 1,111,864.54 - Step 5: Solve for x
x = 1,111,864.54/1,568.16 - Step 6: Final answer
x = 709.02
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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.