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Finding the Fourth Proportional to 582.14, 868.67 and 530.39

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Solution

The fourth proportional to 582.14, 868.67 and 530.39 is: 791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.14 : 868.67 = 530.39 : x
  2. Step 2: Convert to fraction form
    582.14/868.67 = 530.39/x
  3. Step 3: Cross multiply
    582.14x = 868.67 × 530.39
  4. Step 4: Simplify right side
    582.14x = 460,726.89
  5. Step 5: Solve for x
    x = 460,726.89/582.14
  6. Step 6: Final answer
    x = 791.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.