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Finding the Fourth Proportional to 577.37, 860.46 and 558.92

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Solution

The fourth proportional to 577.37, 860.46 and 558.92 is: 832.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.37 : 860.46 = 558.92 : x
  2. Step 2: Convert to fraction form
    577.37/860.46 = 558.92/x
  3. Step 3: Cross multiply
    577.37x = 860.46 × 558.92
  4. Step 4: Simplify right side
    577.37x = 480,928.30
  5. Step 5: Solve for x
    x = 480,928.30/577.37
  6. Step 6: Final answer
    x = 832.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.