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Finding the Fourth Proportional to 576.49, 864.73 and 160.01

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Solution

The fourth proportional to 576.49, 864.73 and 160.01 is: 240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.49 : 864.73 = 160.01 : x
  2. Step 2: Convert to fraction form
    576.49/864.73 = 160.01/x
  3. Step 3: Cross multiply
    576.49x = 864.73 × 160.01
  4. Step 4: Simplify right side
    576.49x = 138,361.52
  5. Step 5: Solve for x
    x = 138,361.52/576.49
  6. Step 6: Final answer
    x = 240.01

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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.