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Finding the Fourth Proportional to 567.88, 847.72 and 491.36

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Solution

The fourth proportional to 567.88, 847.72 and 491.36 is: 733.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.88 : 847.72 = 491.36 : x
  2. Step 2: Convert to fraction form
    567.88/847.72 = 491.36/x
  3. Step 3: Cross multiply
    567.88x = 847.72 × 491.36
  4. Step 4: Simplify right side
    567.88x = 416,535.70
  5. Step 5: Solve for x
    x = 416,535.70/567.88
  6. Step 6: Final answer
    x = 733.49

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Double scale
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1.5x scale

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.