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Finding the Fourth Proportional to 598.28, 897.68 and 309.92

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Solution

The fourth proportional to 598.28, 897.68 and 309.92 is: 465.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.28 : 897.68 = 309.92 : x
  2. Step 2: Convert to fraction form
    598.28/897.68 = 309.92/x
  3. Step 3: Cross multiply
    598.28x = 897.68 × 309.92
  4. Step 4: Simplify right side
    598.28x = 278,208.99
  5. Step 5: Solve for x
    x = 278,208.99/598.28
  6. Step 6: Final answer
    x = 465.01

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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.