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Finding the Fourth Proportional to 598.86, 898.38 and 274.14

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Solution

The fourth proportional to 598.86, 898.38 and 274.14 is: 411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.86 : 898.38 = 274.14 : x
  2. Step 2: Convert to fraction form
    598.86/898.38 = 274.14/x
  3. Step 3: Cross multiply
    598.86x = 898.38 × 274.14
  4. Step 4: Simplify right side
    598.86x = 246,281.89
  5. Step 5: Solve for x
    x = 246,281.89/598.86
  6. Step 6: Final answer
    x = 411.25

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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.