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Finding the Fourth Proportional to 598.76, 898.14 and 338.62

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Solution

The fourth proportional to 598.76, 898.14 and 338.62 is: 507.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.76 : 898.14 = 338.62 : x
  2. Step 2: Convert to fraction form
    598.76/898.14 = 338.62/x
  3. Step 3: Cross multiply
    598.76x = 898.14 × 338.62
  4. Step 4: Simplify right side
    598.76x = 304,128.17
  5. Step 5: Solve for x
    x = 304,128.17/598.76
  6. Step 6: Final answer
    x = 507.93

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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.