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Finding the Fourth Proportional to 567.97, 784.56 and 470.92

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Solution

The fourth proportional to 567.97, 784.56 and 470.92 is: 650.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.97 : 784.56 = 470.92 : x
  2. Step 2: Convert to fraction form
    567.97/784.56 = 470.92/x
  3. Step 3: Cross multiply
    567.97x = 784.56 × 470.92
  4. Step 4: Simplify right side
    567.97x = 369,465.00
  5. Step 5: Solve for x
    x = 369,465.00/567.97
  6. Step 6: Final answer
    x = 650.50

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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.