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Finding the Fourth Proportional to 617.10, 856.37 and 593.34

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Solution

The fourth proportional to 617.10, 856.37 and 593.34 is: 823.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.10 : 856.37 = 593.34 : x
  2. Step 2: Convert to fraction form
    617.10/856.37 = 593.34/x
  3. Step 3: Cross multiply
    617.10x = 856.37 × 593.34
  4. Step 4: Simplify right side
    617.10x = 508,115.61
  5. Step 5: Solve for x
    x = 508,115.61/617.10
  6. Step 6: Final answer
    x = 823.39

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.