Home / 558.14-836.66-192.65

Finding the Fourth Proportional to 558.14, 836.66 and 192.65

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Solution

The fourth proportional to 558.14, 836.66 and 192.65 is: 288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.14 : 836.66 = 192.65 : x
  2. Step 2: Convert to fraction form
    558.14/836.66 = 192.65/x
  3. Step 3: Cross multiply
    558.14x = 836.66 × 192.65
  4. Step 4: Simplify right side
    558.14x = 161,178.85
  5. Step 5: Solve for x
    x = 161,178.85/558.14
  6. Step 6: Final answer
    x = 288.78

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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.