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Finding the Fourth Proportional to 593.25, 890.20 and 289.25

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Solution

The fourth proportional to 593.25, 890.20 and 289.25 is: 434.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.25 : 890.20 = 289.25 : x
  2. Step 2: Convert to fraction form
    593.25/890.20 = 289.25/x
  3. Step 3: Cross multiply
    593.25x = 890.20 × 289.25
  4. Step 4: Simplify right side
    593.25x = 257,490.35
  5. Step 5: Solve for x
    x = 257,490.35/593.25
  6. Step 6: Final answer
    x = 434.03

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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.