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Finding the Fourth Proportional to 595.56, 892.84 and 287.20

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Solution

The fourth proportional to 595.56, 892.84 and 287.20 is: 430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.56 : 892.84 = 287.20 : x
  2. Step 2: Convert to fraction form
    595.56/892.84 = 287.20/x
  3. Step 3: Cross multiply
    595.56x = 892.84 × 287.20
  4. Step 4: Simplify right side
    595.56x = 256,423.65
  5. Step 5: Solve for x
    x = 256,423.65/595.56
  6. Step 6: Final answer
    x = 430.56

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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.