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Finding the Fourth Proportional to 576.50, 795.58 and 355.37

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Solution

The fourth proportional to 576.50, 795.58 and 355.37 is: 490.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.50 : 795.58 = 355.37 : x
  2. Step 2: Convert to fraction form
    576.50/795.58 = 355.37/x
  3. Step 3: Cross multiply
    576.50x = 795.58 × 355.37
  4. Step 4: Simplify right side
    576.50x = 282,720.40
  5. Step 5: Solve for x
    x = 282,720.40/576.50
  6. Step 6: Final answer
    x = 490.41

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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.