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Finding the Fourth Proportional to 571.98, 851.52 and 569.28

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Solution

The fourth proportional to 571.98, 851.52 and 569.28 is: 847.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    571.98 : 851.52 = 569.28 : x
  2. Step 2: Convert to fraction form
    571.98/851.52 = 569.28/x
  3. Step 3: Cross multiply
    571.98x = 851.52 × 569.28
  4. Step 4: Simplify right side
    571.98x = 484,753.31
  5. Step 5: Solve for x
    x = 484,753.31/571.98
  6. Step 6: Final answer
    x = 847.50

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Half scale
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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.