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Finding the Fourth Proportional to 595.63, 892.84 and 287.39

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Solution

The fourth proportional to 595.63, 892.84 and 287.39 is: 430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.63 : 892.84 = 287.39 : x
  2. Step 2: Convert to fraction form
    595.63/892.84 = 287.39/x
  3. Step 3: Cross multiply
    595.63x = 892.84 × 287.39
  4. Step 4: Simplify right side
    595.63x = 256,593.29
  5. Step 5: Solve for x
    x = 256,593.29/595.63
  6. Step 6: Final answer
    x = 430.79

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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.