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Finding the Fourth Proportional to 597.61, 896.43 and 212.59

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Solution

The fourth proportional to 597.61, 896.43 and 212.59 is: 318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.61 : 896.43 = 212.59 : x
  2. Step 2: Convert to fraction form
    597.61/896.43 = 212.59/x
  3. Step 3: Cross multiply
    597.61x = 896.43 × 212.59
  4. Step 4: Simplify right side
    597.61x = 190,572.05
  5. Step 5: Solve for x
    x = 190,572.05/597.61
  6. Step 6: Final answer
    x = 318.89

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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.