Finding the Fourth Proportional to 959.91, 1,437.99 and 496.99
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Solution
The fourth proportional to 959.91, 1,437.99 and 496.99 is: 744.51
Step by Step Solution
- Step 1: Write the proportion equation
959.91 : 1,437.99 = 496.99 : x - Step 2: Convert to fraction form
959.91/1,437.99 = 496.99/x - Step 3: Cross multiply
959.91x = 1,437.99 × 496.99 - Step 4: Simplify right side
959.91x = 714,666.65 - Step 5: Solve for x
x = 714,666.65/959.91 - Step 6: Final answer
x = 744.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.