Finding the Fourth Proportional to 1,201.80, 1,803.12 and 552
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Solution
The fourth proportional to 1,201.80, 1,803.12 and 552 is: 828.19
Step by Step Solution
- Step 1: Write the proportion equation
1,201.80 : 1,803.12 = 552 : x - Step 2: Convert to fraction form
1,201.80/1,803.12 = 552/x - Step 3: Cross multiply
1,201.80x = 1,803.12 × 552 - Step 4: Simplify right side
1,201.80x = 995,322.24 - Step 5: Solve for x
x = 995,322.24/1,201.80 - Step 6: Final answer
x = 828.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.