Finding the Fourth Proportional to 417.91, 577.05 and 416.99
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Solution
The fourth proportional to 417.91, 577.05 and 416.99 is: 575.79
Step by Step Solution
- Step 1: Write the proportion equation
417.91 : 577.05 = 416.99 : x - Step 2: Convert to fraction form
417.91/577.05 = 416.99/x - Step 3: Cross multiply
417.91x = 577.05 × 416.99 - Step 4: Simplify right side
417.91x = 240,624.08 - Step 5: Solve for x
x = 240,624.08/417.91 - Step 6: Final answer
x = 575.79
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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.