Finding the Fourth Proportional to 511.44, 705.18 and 417.84
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Solution
The fourth proportional to 511.44, 705.18 and 417.84 is: 576.12
Step by Step Solution
- Step 1: Write the proportion equation
511.44 : 705.18 = 417.84 : x - Step 2: Convert to fraction form
511.44/705.18 = 417.84/x - Step 3: Cross multiply
511.44x = 705.18 × 417.84 - Step 4: Simplify right side
511.44x = 294,652.41 - Step 5: Solve for x
x = 294,652.41/511.44 - Step 6: Final answer
x = 576.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.