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Finding the Fourth Proportional to 586.87, 881.22 and 582.64

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Solution

The fourth proportional to 586.87, 881.22 and 582.64 is: 874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.87 : 881.22 = 582.64 : x
  2. Step 2: Convert to fraction form
    586.87/881.22 = 582.64/x
  3. Step 3: Cross multiply
    586.87x = 881.22 × 582.64
  4. Step 4: Simplify right side
    586.87x = 513,434.02
  5. Step 5: Solve for x
    x = 513,434.02/586.87
  6. Step 6: Final answer
    x = 874.87

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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.