Finding the Fourth Proportional to 1,012.08, 1,518 and 464.08
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Solution
The fourth proportional to 1,012.08, 1,518 and 464.08 is: 696.06
Step by Step Solution
- Step 1: Write the proportion equation
1,012.08 : 1,518 = 464.08 : x - Step 2: Convert to fraction form
1,012.08/1,518 = 464.08/x - Step 3: Cross multiply
1,012.08x = 1,518 × 464.08 - Step 4: Simplify right side
1,012.08x = 704,473.44 - Step 5: Solve for x
x = 704,473.44/1,012.08 - Step 6: Final answer
x = 696.06
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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.