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Finding the Fourth Proportional to 598.36, 897.12 and 309.64

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Solution

The fourth proportional to 598.36, 897.12 and 309.64 is: 464.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.36 : 897.12 = 309.64 : x
  2. Step 2: Convert to fraction form
    598.36/897.12 = 309.64/x
  3. Step 3: Cross multiply
    598.36x = 897.12 × 309.64
  4. Step 4: Simplify right side
    598.36x = 277,784.24
  5. Step 5: Solve for x
    x = 277,784.24/598.36
  6. Step 6: Final answer
    x = 464.24

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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.