Finding the Fourth Proportional to 977.45, 1,465.97 and 360.99
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Solution
The fourth proportional to 977.45, 1,465.97 and 360.99 is: 541.41
Step by Step Solution
- Step 1: Write the proportion equation
977.45 : 1,465.97 = 360.99 : x - Step 2: Convert to fraction form
977.45/1,465.97 = 360.99/x - Step 3: Cross multiply
977.45x = 1,465.97 × 360.99 - Step 4: Simplify right side
977.45x = 529,198.71 - Step 5: Solve for x
x = 529,198.71/977.45 - Step 6: Final answer
x = 541.41
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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.