Finding the Fourth Proportional to 968.24, 1,335.70 and 574.99
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Solution
The fourth proportional to 968.24, 1,335.70 and 574.99 is: 793.21
Step by Step Solution
- Step 1: Write the proportion equation
968.24 : 1,335.70 = 574.99 : x - Step 2: Convert to fraction form
968.24/1,335.70 = 574.99/x - Step 3: Cross multiply
968.24x = 1,335.70 × 574.99 - Step 4: Simplify right side
968.24x = 768,014.14 - Step 5: Solve for x
x = 768,014.14/968.24 - Step 6: Final answer
x = 793.21
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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.