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Finding the Fourth Proportional to 581.05, 875.63 and 523.32

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Solution

The fourth proportional to 581.05, 875.63 and 523.32 is: 788.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.05 : 875.63 = 523.32 : x
  2. Step 2: Convert to fraction form
    581.05/875.63 = 523.32/x
  3. Step 3: Cross multiply
    581.05x = 875.63 × 523.32
  4. Step 4: Simplify right side
    581.05x = 458,234.69
  5. Step 5: Solve for x
    x = 458,234.69/581.05
  6. Step 6: Final answer
    x = 788.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.