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Finding the Fourth Proportional to 564.56, 844.86 and 477.68

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Solution

The fourth proportional to 564.56, 844.86 and 477.68 is: 714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.56 : 844.86 = 477.68 : x
  2. Step 2: Convert to fraction form
    564.56/844.86 = 477.68/x
  3. Step 3: Cross multiply
    564.56x = 844.86 × 477.68
  4. Step 4: Simplify right side
    564.56x = 403,572.72
  5. Step 5: Solve for x
    x = 403,572.72/564.56
  6. Step 6: Final answer
    x = 714.84

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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.