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Finding the Fourth Proportional to 593.81, 890.25 and 398.50

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Solution

The fourth proportional to 593.81, 890.25 and 398.50 is: 597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.81 : 890.25 = 398.50 : x
  2. Step 2: Convert to fraction form
    593.81/890.25 = 398.50/x
  3. Step 3: Cross multiply
    593.81x = 890.25 × 398.50
  4. Step 4: Simplify right side
    593.81x = 354,764.63
  5. Step 5: Solve for x
    x = 354,764.63/593.81
  6. Step 6: Final answer
    x = 597.44

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Double scale
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Similar ratio
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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.