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Finding the Fourth Proportional to 598.31, 897.55 and 187.39

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Solution

The fourth proportional to 598.31, 897.55 and 187.39 is: 281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.31 : 897.55 = 187.39 : x
  2. Step 2: Convert to fraction form
    598.31/897.55 = 187.39/x
  3. Step 3: Cross multiply
    598.31x = 897.55 × 187.39
  4. Step 4: Simplify right side
    598.31x = 168,189.18
  5. Step 5: Solve for x
    x = 168,189.18/598.31
  6. Step 6: Final answer
    x = 281.11

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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.