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Finding the Fourth Proportional to 591.36, 882.41 and 529.86

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Solution

The fourth proportional to 591.36, 882.41 and 529.86 is: 790.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.36 : 882.41 = 529.86 : x
  2. Step 2: Convert to fraction form
    591.36/882.41 = 529.86/x
  3. Step 3: Cross multiply
    591.36x = 882.41 × 529.86
  4. Step 4: Simplify right side
    591.36x = 467,553.76
  5. Step 5: Solve for x
    x = 467,553.76/591.36
  6. Step 6: Final answer
    x = 790.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.