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Finding the Fourth Proportional to 595.43, 892.78 and 287.02

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Solution

The fourth proportional to 595.43, 892.78 and 287.02 is: 430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.43 : 892.78 = 287.02 : x
  2. Step 2: Convert to fraction form
    595.43/892.78 = 287.02/x
  3. Step 3: Cross multiply
    595.43x = 892.78 × 287.02
  4. Step 4: Simplify right side
    595.43x = 256,245.72
  5. Step 5: Solve for x
    x = 256,245.72/595.43
  6. Step 6: Final answer
    x = 430.35

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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.