Finding the Fourth Proportional to 426.90, 588.96 and 260.99
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Solution
The fourth proportional to 426.90, 588.96 and 260.99 is: 360.07
Step by Step Solution
- Step 1: Write the proportion equation
426.90 : 588.96 = 260.99 : x - Step 2: Convert to fraction form
426.90/588.96 = 260.99/x - Step 3: Cross multiply
426.90x = 588.96 × 260.99 - Step 4: Simplify right side
426.90x = 153,712.67 - Step 5: Solve for x
x = 153,712.67/426.90 - Step 6: Final answer
x = 360.07
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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.