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Finding the Fourth Proportional to 582.45, 873.71 and 192.49

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Solution

The fourth proportional to 582.45, 873.71 and 192.49 is: 288.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.45 : 873.71 = 192.49 : x
  2. Step 2: Convert to fraction form
    582.45/873.71 = 192.49/x
  3. Step 3: Cross multiply
    582.45x = 873.71 × 192.49
  4. Step 4: Simplify right side
    582.45x = 168,180.44
  5. Step 5: Solve for x
    x = 168,180.44/582.45
  6. Step 6: Final answer
    x = 288.75

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1.5x scale

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.