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Finding the Fourth Proportional to 617.36, 923.28 and 559.94

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Solution

The fourth proportional to 617.36, 923.28 and 559.94 is: 837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.36 : 923.28 = 559.94 : x
  2. Step 2: Convert to fraction form
    617.36/923.28 = 559.94/x
  3. Step 3: Cross multiply
    617.36x = 923.28 × 559.94
  4. Step 4: Simplify right side
    617.36x = 516,981.40
  5. Step 5: Solve for x
    x = 516,981.40/617.36
  6. Step 6: Final answer
    x = 837.41

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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.