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Finding the Fourth Proportional to 564.57, 847.18 and 304.57

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Solution

The fourth proportional to 564.57, 847.18 and 304.57 is: 457.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.57 : 847.18 = 304.57 : x
  2. Step 2: Convert to fraction form
    564.57/847.18 = 304.57/x
  3. Step 3: Cross multiply
    564.57x = 847.18 × 304.57
  4. Step 4: Simplify right side
    564.57x = 258,027.05
  5. Step 5: Solve for x
    x = 258,027.05/564.57
  6. Step 6: Final answer
    x = 457.03

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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.