Finding the Fourth Proportional to 703.26, 969.93 and 555.63
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Solution
The fourth proportional to 703.26, 969.93 and 555.63 is: 766.32
Step by Step Solution
- Step 1: Write the proportion equation
703.26 : 969.93 = 555.63 : x - Step 2: Convert to fraction form
703.26/969.93 = 555.63/x - Step 3: Cross multiply
703.26x = 969.93 × 555.63 - Step 4: Simplify right side
703.26x = 538,922.21 - Step 5: Solve for x
x = 538,922.21/703.26 - Step 6: Final answer
x = 766.32
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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.