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Finding the Fourth Proportional to 969.00, 1,337.19 and 549.39

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Solution

The fourth proportional to 969.00, 1,337.19 and 549.39 is: 758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.00 : 1,337.19 = 549.39 : x
  2. Step 2: Convert to fraction form
    969.00/1,337.19 = 549.39/x
  3. Step 3: Cross multiply
    969.00x = 1,337.19 × 549.39
  4. Step 4: Simplify right side
    969.00x = 734,631.74
  5. Step 5: Solve for x
    x = 734,631.74/969.00
  6. Step 6: Final answer
    x = 758.14

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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.