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Finding the Fourth Proportional to 582.90, 873.54 and 565.38

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Solution

The fourth proportional to 582.90, 873.54 and 565.38 is: 847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.90 : 873.54 = 565.38 : x
  2. Step 2: Convert to fraction form
    582.90/873.54 = 565.38/x
  3. Step 3: Cross multiply
    582.90x = 873.54 × 565.38
  4. Step 4: Simplify right side
    582.90x = 493,882.05
  5. Step 5: Solve for x
    x = 493,882.05/582.90
  6. Step 6: Final answer
    x = 847.28

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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.