Finding the Fourth Proportional to 430.90, 594.93 and 283.78
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Solution
The fourth proportional to 430.90, 594.93 and 283.78 is: 391.81
Step by Step Solution
- Step 1: Write the proportion equation
430.90 : 594.93 = 283.78 : x - Step 2: Convert to fraction form
430.90/594.93 = 283.78/x - Step 3: Cross multiply
430.90x = 594.93 × 283.78 - Step 4: Simplify right side
430.90x = 168,829.24 - Step 5: Solve for x
x = 168,829.24/430.90 - Step 6: Final answer
x = 391.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.