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Finding the Fourth Proportional to 597.79, 896.14 and 212.95

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Solution

The fourth proportional to 597.79, 896.14 and 212.95 is: 319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.79 : 896.14 = 212.95 : x
  2. Step 2: Convert to fraction form
    597.79/896.14 = 212.95/x
  3. Step 3: Cross multiply
    597.79x = 896.14 × 212.95
  4. Step 4: Simplify right side
    597.79x = 190,833.01
  5. Step 5: Solve for x
    x = 190,833.01/597.79
  6. Step 6: Final answer
    x = 319.23

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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.