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Finding the Fourth Proportional to 593.52, 890.28 and 208.56

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Solution

The fourth proportional to 593.52, 890.28 and 208.56 is: 312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.52 : 890.28 = 208.56 : x
  2. Step 2: Convert to fraction form
    593.52/890.28 = 208.56/x
  3. Step 3: Cross multiply
    593.52x = 890.28 × 208.56
  4. Step 4: Simplify right side
    593.52x = 185,676.80
  5. Step 5: Solve for x
    x = 185,676.80/593.52
  6. Step 6: Final answer
    x = 312.84

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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.