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Finding the Fourth Proportional to 598.47, 897.81 and 187.51

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Solution

The fourth proportional to 598.47, 897.81 and 187.51 is: 281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.47 : 897.81 = 187.51 : x
  2. Step 2: Convert to fraction form
    598.47/897.81 = 187.51/x
  3. Step 3: Cross multiply
    598.47x = 897.81 × 187.51
  4. Step 4: Simplify right side
    598.47x = 168,348.35
  5. Step 5: Solve for x
    x = 168,348.35/598.47
  6. Step 6: Final answer
    x = 281.30

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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.