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Finding the Fourth Proportional to 597.52, 896.30 and 212.80

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Solution

The fourth proportional to 597.52, 896.30 and 212.80 is: 319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.52 : 896.30 = 212.80 : x
  2. Step 2: Convert to fraction form
    597.52/896.30 = 212.80/x
  3. Step 3: Cross multiply
    597.52x = 896.30 × 212.80
  4. Step 4: Simplify right side
    597.52x = 190,732.64
  5. Step 5: Solve for x
    x = 190,732.64/597.52
  6. Step 6: Final answer
    x = 319.21

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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.