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Finding the Fourth Proportional to 598.60, 898.44 and 476.56

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Solution

The fourth proportional to 598.60, 898.44 and 476.56 is: 715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.60 : 898.44 = 476.56 : x
  2. Step 2: Convert to fraction form
    598.60/898.44 = 476.56/x
  3. Step 3: Cross multiply
    598.60x = 898.44 × 476.56
  4. Step 4: Simplify right side
    598.60x = 428,160.57
  5. Step 5: Solve for x
    x = 428,160.57/598.60
  6. Step 6: Final answer
    x = 715.27

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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.