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Finding the Fourth Proportional to 892.51, 1,337.07 and 501.34

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Solution

The fourth proportional to 892.51, 1,337.07 and 501.34 is: 751.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    892.51 : 1,337.07 = 501.34 : x
  2. Step 2: Convert to fraction form
    892.51/1,337.07 = 501.34/x
  3. Step 3: Cross multiply
    892.51x = 1,337.07 × 501.34
  4. Step 4: Simplify right side
    892.51x = 670,325.60
  5. Step 5: Solve for x
    x = 670,325.60/892.51
  6. Step 6: Final answer
    x = 751.05

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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.