Finding the Fourth Proportional to 654.74, 982 and 215.99
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Solution
The fourth proportional to 654.74, 982 and 215.99 is: 323.95
Step by Step Solution
- Step 1: Write the proportion equation
654.74 : 982 = 215.99 : x - Step 2: Convert to fraction form
654.74/982 = 215.99/x - Step 3: Cross multiply
654.74x = 982 × 215.99 - Step 4: Simplify right side
654.74x = 212,102.18 - Step 5: Solve for x
x = 212,102.18/654.74 - Step 6: Final answer
x = 323.95
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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.