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Finding the Fourth Proportional to 556.05, 834.48 and 282.33

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Solution

The fourth proportional to 556.05, 834.48 and 282.33 is: 423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.05 : 834.48 = 282.33 : x
  2. Step 2: Convert to fraction form
    556.05/834.48 = 282.33/x
  3. Step 3: Cross multiply
    556.05x = 834.48 × 282.33
  4. Step 4: Simplify right side
    556.05x = 235,598.74
  5. Step 5: Solve for x
    x = 235,598.74/556.05
  6. Step 6: Final answer
    x = 423.70

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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.