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Finding the Fourth Proportional to 567.82, 851.71 and 345.50

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Solution

The fourth proportional to 567.82, 851.71 and 345.50 is: 518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.82 : 851.71 = 345.50 : x
  2. Step 2: Convert to fraction form
    567.82/851.71 = 345.50/x
  3. Step 3: Cross multiply
    567.82x = 851.71 × 345.50
  4. Step 4: Simplify right side
    567.82x = 294,265.81
  5. Step 5: Solve for x
    x = 294,265.81/567.82
  6. Step 6: Final answer
    x = 518.24

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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.