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Finding the Fourth Proportional to 582.75, 873.32 and 505.89

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Solution

The fourth proportional to 582.75, 873.32 and 505.89 is: 758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.75 : 873.32 = 505.89 : x
  2. Step 2: Convert to fraction form
    582.75/873.32 = 505.89/x
  3. Step 3: Cross multiply
    582.75x = 873.32 × 505.89
  4. Step 4: Simplify right side
    582.75x = 441,801.33
  5. Step 5: Solve for x
    x = 441,801.33/582.75
  6. Step 6: Final answer
    x = 758.13

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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.