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Finding the Fourth Proportional to 556.18, 834.18 and 190.93

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Solution

The fourth proportional to 556.18, 834.18 and 190.93 is: 286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.18 : 834.18 = 190.93 : x
  2. Step 2: Convert to fraction form
    556.18/834.18 = 190.93/x
  3. Step 3: Cross multiply
    556.18x = 834.18 × 190.93
  4. Step 4: Simplify right side
    556.18x = 159,269.99
  5. Step 5: Solve for x
    x = 159,269.99/556.18
  6. Step 6: Final answer
    x = 286.36

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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.