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Finding the Fourth Proportional to 922.38, 1,273.23 and 568.36

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Solution

The fourth proportional to 922.38, 1,273.23 and 568.36 is: 784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    922.38 : 1,273.23 = 568.36 : x
  2. Step 2: Convert to fraction form
    922.38/1,273.23 = 568.36/x
  3. Step 3: Cross multiply
    922.38x = 1,273.23 × 568.36
  4. Step 4: Simplify right side
    922.38x = 723,650.16
  5. Step 5: Solve for x
    x = 723,650.16/922.38
  6. Step 6: Final answer
    x = 784.55

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Double scale
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1.5x scale

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.