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Finding the Fourth Proportional to 566.03, 847.43 and 383.78

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Solution

The fourth proportional to 566.03, 847.43 and 383.78 is: 574.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.03 : 847.43 = 383.78 : x
  2. Step 2: Convert to fraction form
    566.03/847.43 = 383.78/x
  3. Step 3: Cross multiply
    566.03x = 847.43 × 383.78
  4. Step 4: Simplify right side
    566.03x = 325,224.77
  5. Step 5: Solve for x
    x = 325,224.77/566.03
  6. Step 6: Final answer
    x = 574.57

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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.