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Finding the Fourth Proportional to 890.79, 1,337.06 and 566.38

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Solution

The fourth proportional to 890.79, 1,337.06 and 566.38 is: 850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    890.79 : 1,337.06 = 566.38 : x
  2. Step 2: Convert to fraction form
    890.79/1,337.06 = 566.38/x
  3. Step 3: Cross multiply
    890.79x = 1,337.06 × 566.38
  4. Step 4: Simplify right side
    890.79x = 757,284.04
  5. Step 5: Solve for x
    x = 757,284.04/890.79
  6. Step 6: Final answer
    x = 850.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.