Finding the Fourth Proportional to 966.29, 1,332.99 and 611.62
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Solution
The fourth proportional to 966.29, 1,332.99 and 611.62 is: 843.72
Step by Step Solution
- Step 1: Write the proportion equation
966.29 : 1,332.99 = 611.62 : x - Step 2: Convert to fraction form
966.29/1,332.99 = 611.62/x - Step 3: Cross multiply
966.29x = 1,332.99 × 611.62 - Step 4: Simplify right side
966.29x = 815,276.68 - Step 5: Solve for x
x = 815,276.68/966.29 - Step 6: Final answer
x = 843.72
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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.