Finding the Fourth Proportional to 566.99, 782.43 and 330.99
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Solution
The fourth proportional to 566.99, 782.43 and 330.99 is: 456.76
Step by Step Solution
- Step 1: Write the proportion equation
566.99 : 782.43 = 330.99 : x - Step 2: Convert to fraction form
566.99/782.43 = 330.99/x - Step 3: Cross multiply
566.99x = 782.43 × 330.99 - Step 4: Simplify right side
566.99x = 258,976.51 - Step 5: Solve for x
x = 258,976.51/566.99 - Step 6: Final answer
x = 456.76
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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.