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Finding the Fourth Proportional to 598.89, 898.74 and 325.02

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Solution

The fourth proportional to 598.89, 898.74 and 325.02 is: 487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.89 : 898.74 = 325.02 : x
  2. Step 2: Convert to fraction form
    598.89/898.74 = 325.02/x
  3. Step 3: Cross multiply
    598.89x = 898.74 × 325.02
  4. Step 4: Simplify right side
    598.89x = 292,108.47
  5. Step 5: Solve for x
    x = 292,108.47/598.89
  6. Step 6: Final answer
    x = 487.75

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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.