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Finding the Fourth Proportional to 581.02, 872.74 and 350.36

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Solution

The fourth proportional to 581.02, 872.74 and 350.36 is: 526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.02 : 872.74 = 350.36 : x
  2. Step 2: Convert to fraction form
    581.02/872.74 = 350.36/x
  3. Step 3: Cross multiply
    581.02x = 872.74 × 350.36
  4. Step 4: Simplify right side
    581.02x = 305,773.19
  5. Step 5: Solve for x
    x = 305,773.19/581.02
  6. Step 6: Final answer
    x = 526.27

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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.