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Finding the Fourth Proportional to 757, 1,134.78 and 594.28

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Solution

The fourth proportional to 757, 1,134.78 and 594.28 is: 890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    757 : 1,134.78 = 594.28 : x
  2. Step 2: Convert to fraction form
    757/1,134.78 = 594.28/x
  3. Step 3: Cross multiply
    757x = 1,134.78 × 594.28
  4. Step 4: Simplify right side
    757x = 674,377.06
  5. Step 5: Solve for x
    x = 674,377.06/757
  6. Step 6: Final answer
    x = 890.85

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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.