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Finding the Fourth Proportional to 593.58, 890.56 and 281.36

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Solution

The fourth proportional to 593.58, 890.56 and 281.36 is: 422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.58 : 890.56 = 281.36 : x
  2. Step 2: Convert to fraction form
    593.58/890.56 = 281.36/x
  3. Step 3: Cross multiply
    593.58x = 890.56 × 281.36
  4. Step 4: Simplify right side
    593.58x = 250,567.96
  5. Step 5: Solve for x
    x = 250,567.96/593.58
  6. Step 6: Final answer
    x = 422.13

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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.