Finding the Fourth Proportional to 1,070, 1,604.08 and 549.98
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Solution
The fourth proportional to 1,070, 1,604.08 and 549.98 is: 824.50
Step by Step Solution
- Step 1: Write the proportion equation
1,070 : 1,604.08 = 549.98 : x - Step 2: Convert to fraction form
1,070/1,604.08 = 549.98/x - Step 3: Cross multiply
1,070x = 1,604.08 × 549.98 - Step 4: Simplify right side
1,070x = 882,211.92 - Step 5: Solve for x
x = 882,211.92/1,070 - Step 6: Final answer
x = 824.50
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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.