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Finding the Fourth Proportional to 564.37, 778.96 and 367.54

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Solution

The fourth proportional to 564.37, 778.96 and 367.54 is: 507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.37 : 778.96 = 367.54 : x
  2. Step 2: Convert to fraction form
    564.37/778.96 = 367.54/x
  3. Step 3: Cross multiply
    564.37x = 778.96 × 367.54
  4. Step 4: Simplify right side
    564.37x = 286,298.96
  5. Step 5: Solve for x
    x = 286,298.96/564.37
  6. Step 6: Final answer
    x = 507.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.