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Finding the Fourth Proportional to 590.39, 885.23 and 523.77

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Solution

The fourth proportional to 590.39, 885.23 and 523.77 is: 785.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.39 : 885.23 = 523.77 : x
  2. Step 2: Convert to fraction form
    590.39/885.23 = 523.77/x
  3. Step 3: Cross multiply
    590.39x = 885.23 × 523.77
  4. Step 4: Simplify right side
    590.39x = 463,656.92
  5. Step 5: Solve for x
    x = 463,656.92/590.39
  6. Step 6: Final answer
    x = 785.34

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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.