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Finding the Fourth Proportional to 604.21, 901.95 and 559.12

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Solution

The fourth proportional to 604.21, 901.95 and 559.12 is: 834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.21 : 901.95 = 559.12 : x
  2. Step 2: Convert to fraction form
    604.21/901.95 = 559.12/x
  3. Step 3: Cross multiply
    604.21x = 901.95 × 559.12
  4. Step 4: Simplify right side
    604.21x = 504,298.28
  5. Step 5: Solve for x
    x = 504,298.28/604.21
  6. Step 6: Final answer
    x = 834.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.