Finding the Fourth Proportional to 430.79, 594.76 and 283.67
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Solution
The fourth proportional to 430.79, 594.76 and 283.67 is: 391.64
Step by Step Solution
- Step 1: Write the proportion equation
430.79 : 594.76 = 283.67 : x - Step 2: Convert to fraction form
430.79/594.76 = 283.67/x - Step 3: Cross multiply
430.79x = 594.76 × 283.67 - Step 4: Simplify right side
430.79x = 168,711.18 - Step 5: Solve for x
x = 168,711.18/430.79 - Step 6: Final answer
x = 391.64
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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.