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Finding the Fourth Proportional to 593.10, 889.21 and 284.66

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Solution

The fourth proportional to 593.10, 889.21 and 284.66 is: 426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.10 : 889.21 = 284.66 : x
  2. Step 2: Convert to fraction form
    593.10/889.21 = 284.66/x
  3. Step 3: Cross multiply
    593.10x = 889.21 × 284.66
  4. Step 4: Simplify right side
    593.10x = 253,120.16
  5. Step 5: Solve for x
    x = 253,120.16/593.10
  6. Step 6: Final answer
    x = 426.77

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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.