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Finding the Fourth Proportional to 598.14, 896.44 and 434.18

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Solution

The fourth proportional to 598.14, 896.44 and 434.18 is: 650.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.14 : 896.44 = 434.18 : x
  2. Step 2: Convert to fraction form
    598.14/896.44 = 434.18/x
  3. Step 3: Cross multiply
    598.14x = 896.44 × 434.18
  4. Step 4: Simplify right side
    598.14x = 389,216.32
  5. Step 5: Solve for x
    x = 389,216.32/598.14
  6. Step 6: Final answer
    x = 650.71

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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.