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Finding the Fourth Proportional to 598.30, 897.45 and 274.30

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Solution

The fourth proportional to 598.30, 897.45 and 274.30 is: 411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.30 : 897.45 = 274.30 : x
  2. Step 2: Convert to fraction form
    598.30/897.45 = 274.30/x
  3. Step 3: Cross multiply
    598.30x = 897.45 × 274.30
  4. Step 4: Simplify right side
    598.30x = 246,170.54
  5. Step 5: Solve for x
    x = 246,170.54/598.30
  6. Step 6: Final answer
    x = 411.45

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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.