Finding the Fourth Proportional to 259.93, 358.68 and 143.49
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Solution
The fourth proportional to 259.93, 358.68 and 143.49 is: 198.00
Step by Step Solution
- Step 1: Write the proportion equation
259.93 : 358.68 = 143.49 : x - Step 2: Convert to fraction form
259.93/358.68 = 143.49/x - Step 3: Cross multiply
259.93x = 358.68 × 143.49 - Step 4: Simplify right side
259.93x = 51,466.99 - Step 5: Solve for x
x = 51,466.99/259.93 - Step 6: Final answer
x = 198.00
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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.