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Finding the Fourth Proportional to 486.56, 733.92 and 466.40

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Solution

The fourth proportional to 486.56, 733.92 and 466.40 is: 703.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    486.56 : 733.92 = 466.40 : x
  2. Step 2: Convert to fraction form
    486.56/733.92 = 466.40/x
  3. Step 3: Cross multiply
    486.56x = 733.92 × 466.40
  4. Step 4: Simplify right side
    486.56x = 342,300.29
  5. Step 5: Solve for x
    x = 342,300.29/486.56
  6. Step 6: Final answer
    x = 703.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.