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Finding the Fourth Proportional to 794.10, 1,095.58 and 483.42

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Solution

The fourth proportional to 794.10, 1,095.58 and 483.42 is: 666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.10 : 1,095.58 = 483.42 : x
  2. Step 2: Convert to fraction form
    794.10/1,095.58 = 483.42/x
  3. Step 3: Cross multiply
    794.10x = 1,095.58 × 483.42
  4. Step 4: Simplify right side
    794.10x = 529,625.28
  5. Step 5: Solve for x
    x = 529,625.28/794.10
  6. Step 6: Final answer
    x = 666.95

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.