Finding the Fourth Proportional to 417.13, 575.91 and 259.99
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Solution
The fourth proportional to 417.13, 575.91 and 259.99 is: 358.95
Step by Step Solution
- Step 1: Write the proportion equation
417.13 : 575.91 = 259.99 : x - Step 2: Convert to fraction form
417.13/575.91 = 259.99/x - Step 3: Cross multiply
417.13x = 575.91 × 259.99 - Step 4: Simplify right side
417.13x = 149,730.84 - Step 5: Solve for x
x = 149,730.84/417.13 - 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.