Finding the Fourth Proportional to 417.44, 575.91 and 260.18
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Solution
The fourth proportional to 417.44, 575.91 and 260.18 is: 358.95
Step by Step Solution
- Step 1: Write the proportion equation
417.44 : 575.91 = 260.18 : x - Step 2: Convert to fraction form
417.44/575.91 = 260.18/x - Step 3: Cross multiply
417.44x = 575.91 × 260.18 - Step 4: Simplify right side
417.44x = 149,840.26 - Step 5: Solve for x
x = 149,840.26/417.44 - Step 6: Final answer
x = 358.95
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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.