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Finding the Fourth Proportional to 795.07, 1,192.30 and 320.01

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Solution

The fourth proportional to 795.07, 1,192.30 and 320.01 is: 479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.07 : 1,192.30 = 320.01 : x
  2. Step 2: Convert to fraction form
    795.07/1,192.30 = 320.01/x
  3. Step 3: Cross multiply
    795.07x = 1,192.30 × 320.01
  4. Step 4: Simplify right side
    795.07x = 381,542.65
  5. Step 5: Solve for x
    x = 381,542.65/795.07
  6. Step 6: Final answer
    x = 479.88

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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.