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Finding the Fourth Proportional to 564.73, 847.15 and 290.88

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Solution

The fourth proportional to 564.73, 847.15 and 290.88 is: 436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.73 : 847.15 = 290.88 : x
  2. Step 2: Convert to fraction form
    564.73/847.15 = 290.88/x
  3. Step 3: Cross multiply
    564.73x = 847.15 × 290.88
  4. Step 4: Simplify right side
    564.73x = 246,418.26
  5. Step 5: Solve for x
    x = 246,418.26/564.73
  6. Step 6: Final answer
    x = 436.35

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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.