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Finding the Fourth Proportional to 567.25, 782.83 and 346.16

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Solution

The fourth proportional to 567.25, 782.83 and 346.16 is: 477.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.25 : 782.83 = 346.16 : x
  2. Step 2: Convert to fraction form
    567.25/782.83 = 346.16/x
  3. Step 3: Cross multiply
    567.25x = 782.83 × 346.16
  4. Step 4: Simplify right side
    567.25x = 270,986.82
  5. Step 5: Solve for x
    x = 270,986.82/567.25
  6. Step 6: Final answer
    x = 477.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.