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Finding the Fourth Proportional to 582.80, 873.62 and 377.46

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Solution

The fourth proportional to 582.80, 873.62 and 377.46 is: 565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.80 : 873.62 = 377.46 : x
  2. Step 2: Convert to fraction form
    582.80/873.62 = 377.46/x
  3. Step 3: Cross multiply
    582.80x = 873.62 × 377.46
  4. Step 4: Simplify right side
    582.80x = 329,756.13
  5. Step 5: Solve for x
    x = 329,756.13/582.80
  6. Step 6: Final answer
    x = 565.82

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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.