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Finding the Fourth Proportional to 593.91, 890.91 and 155.15

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Solution

The fourth proportional to 593.91, 890.91 and 155.15 is: 232.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.91 : 890.91 = 155.15 : x
  2. Step 2: Convert to fraction form
    593.91/890.91 = 155.15/x
  3. Step 3: Cross multiply
    593.91x = 890.91 × 155.15
  4. Step 4: Simplify right side
    593.91x = 138,224.69
  5. Step 5: Solve for x
    x = 138,224.69/593.91
  6. Step 6: Final answer
    x = 232.74

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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.