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Finding the Fourth Proportional to 582.36, 803.08 and 531.79

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Solution

The fourth proportional to 582.36, 803.08 and 531.79 is: 733.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.36 : 803.08 = 531.79 : x
  2. Step 2: Convert to fraction form
    582.36/803.08 = 531.79/x
  3. Step 3: Cross multiply
    582.36x = 803.08 × 531.79
  4. Step 4: Simplify right side
    582.36x = 427,069.91
  5. Step 5: Solve for x
    x = 427,069.91/582.36
  6. Step 6: Final answer
    x = 733.34

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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.