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Finding the Fourth Proportional to 617.28, 926.27 and 568.76

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Solution

The fourth proportional to 617.28, 926.27 and 568.76 is: 853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.28 : 926.27 = 568.76 : x
  2. Step 2: Convert to fraction form
    617.28/926.27 = 568.76/x
  3. Step 3: Cross multiply
    617.28x = 926.27 × 568.76
  4. Step 4: Simplify right side
    617.28x = 526,817.85
  5. Step 5: Solve for x
    x = 526,817.85/617.28
  6. Step 6: Final answer
    x = 853.45

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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.