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Finding the Fourth Proportional to 597.30, 896.33 and 391.87

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Solution

The fourth proportional to 597.30, 896.33 and 391.87 is: 588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.30 : 896.33 = 391.87 : x
  2. Step 2: Convert to fraction form
    597.30/896.33 = 391.87/x
  3. Step 3: Cross multiply
    597.30x = 896.33 × 391.87
  4. Step 4: Simplify right side
    597.30x = 351,244.84
  5. Step 5: Solve for x
    x = 351,244.84/597.30
  6. Step 6: Final answer
    x = 588.05

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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.