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Finding the Fourth Proportional to 581.74, 873.81 and 562.30

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Solution

The fourth proportional to 581.74, 873.81 and 562.30 is: 844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.74 : 873.81 = 562.30 : x
  2. Step 2: Convert to fraction form
    581.74/873.81 = 562.30/x
  3. Step 3: Cross multiply
    581.74x = 873.81 × 562.30
  4. Step 4: Simplify right side
    581.74x = 491,343.36
  5. Step 5: Solve for x
    x = 491,343.36/581.74
  6. Step 6: Final answer
    x = 844.61

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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.