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Finding the Fourth Proportional to 795.03, 1,192.65 and 308.13

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Solution

The fourth proportional to 795.03, 1,192.65 and 308.13 is: 462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.03 : 1,192.65 = 308.13 : x
  2. Step 2: Convert to fraction form
    795.03/1,192.65 = 308.13/x
  3. Step 3: Cross multiply
    795.03x = 1,192.65 × 308.13
  4. Step 4: Simplify right side
    795.03x = 367,491.24
  5. Step 5: Solve for x
    x = 367,491.24/795.03
  6. Step 6: Final answer
    x = 462.24

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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.