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Finding the Fourth Proportional to 598.57, 897.85 and 187.71

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Solution

The fourth proportional to 598.57, 897.85 and 187.71 is: 281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.57 : 897.85 = 187.71 : x
  2. Step 2: Convert to fraction form
    598.57/897.85 = 187.71/x
  3. Step 3: Cross multiply
    598.57x = 897.85 × 187.71
  4. Step 4: Simplify right side
    598.57x = 168,534.95
  5. Step 5: Solve for x
    x = 168,534.95/598.57
  6. Step 6: Final answer
    x = 281.56

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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.