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Finding the Fourth Proportional to 568.30, 785.55 and 522.94

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Solution

The fourth proportional to 568.30, 785.55 and 522.94 is: 722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.30 : 785.55 = 522.94 : x
  2. Step 2: Convert to fraction form
    568.30/785.55 = 522.94/x
  3. Step 3: Cross multiply
    568.30x = 785.55 × 522.94
  4. Step 4: Simplify right side
    568.30x = 410,795.52
  5. Step 5: Solve for x
    x = 410,795.52/568.30
  6. Step 6: Final answer
    x = 722.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.