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Finding the Fourth Proportional to 795.57, 1,193.21 and 210.57

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Solution

The fourth proportional to 795.57, 1,193.21 and 210.57 is: 315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.57 : 1,193.21 = 210.57 : x
  2. Step 2: Convert to fraction form
    795.57/1,193.21 = 210.57/x
  3. Step 3: Cross multiply
    795.57x = 1,193.21 × 210.57
  4. Step 4: Simplify right side
    795.57x = 251,259.23
  5. Step 5: Solve for x
    x = 251,259.23/795.57
  6. Step 6: Final answer
    x = 315.82

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Double scale
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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.