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Finding the Fourth Proportional to 597.96, 897.06 and 381.72

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Solution

The fourth proportional to 597.96, 897.06 and 381.72 is: 572.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.96 : 897.06 = 381.72 : x
  2. Step 2: Convert to fraction form
    597.96/897.06 = 381.72/x
  3. Step 3: Cross multiply
    597.96x = 897.06 × 381.72
  4. Step 4: Simplify right side
    597.96x = 342,425.74
  5. Step 5: Solve for x
    x = 342,425.74/597.96
  6. Step 6: Final answer
    x = 572.66

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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.