Finding the Fourth Proportional to 929.97, 1,283.35 and 536.99
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Solution
The fourth proportional to 929.97, 1,283.35 and 536.99 is: 741.04
Step by Step Solution
- Step 1: Write the proportion equation
929.97 : 1,283.35 = 536.99 : x - Step 2: Convert to fraction form
929.97/1,283.35 = 536.99/x - Step 3: Cross multiply
929.97x = 1,283.35 × 536.99 - Step 4: Simplify right side
929.97x = 689,143.43 - Step 5: Solve for x
x = 689,143.43/929.97 - Step 6: Final answer
x = 741.04
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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.