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Finding the Fourth Proportional to 564.76, 845.52 and 493.48

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Solution

The fourth proportional to 564.76, 845.52 and 493.48 is: 738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.76 : 845.52 = 493.48 : x
  2. Step 2: Convert to fraction form
    564.76/845.52 = 493.48/x
  3. Step 3: Cross multiply
    564.76x = 845.52 × 493.48
  4. Step 4: Simplify right side
    564.76x = 417,247.21
  5. Step 5: Solve for x
    x = 417,247.21/564.76
  6. Step 6: Final answer
    x = 738.80

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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.