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Finding the Fourth Proportional to 556.15, 834.12 and 190.88

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Solution

The fourth proportional to 556.15, 834.12 and 190.88 is: 286.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.15 : 834.12 = 190.88 : x
  2. Step 2: Convert to fraction form
    556.15/834.12 = 190.88/x
  3. Step 3: Cross multiply
    556.15x = 834.12 × 190.88
  4. Step 4: Simplify right side
    556.15x = 159,216.83
  5. Step 5: Solve for x
    x = 159,216.83/556.15
  6. Step 6: Final answer
    x = 286.29

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1.5x scale

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.