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Finding the Fourth Proportional to 598.70, 896.39 and 305.57

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Solution

The fourth proportional to 598.70, 896.39 and 305.57 is: 457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.70 : 896.39 = 305.57 : x
  2. Step 2: Convert to fraction form
    598.70/896.39 = 305.57/x
  3. Step 3: Cross multiply
    598.70x = 896.39 × 305.57
  4. Step 4: Simplify right side
    598.70x = 273,910.61
  5. Step 5: Solve for x
    x = 273,910.61/598.70
  6. Step 6: Final answer
    x = 457.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.