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Finding the Fourth Proportional to 530.91, 796.23 and 206.19

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Solution

The fourth proportional to 530.91, 796.23 and 206.19 is: 309.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.91 : 796.23 = 206.19 : x
  2. Step 2: Convert to fraction form
    530.91/796.23 = 206.19/x
  3. Step 3: Cross multiply
    530.91x = 796.23 × 206.19
  4. Step 4: Simplify right side
    530.91x = 164,174.66
  5. Step 5: Solve for x
    x = 164,174.66/530.91
  6. Step 6: Final answer
    x = 309.23

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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.