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Finding the Fourth Proportional to 367.03, 549.91 and 275.59

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Solution

The fourth proportional to 367.03, 549.91 and 275.59 is: 412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.03 : 549.91 = 275.59 : x
  2. Step 2: Convert to fraction form
    367.03/549.91 = 275.59/x
  3. Step 3: Cross multiply
    367.03x = 549.91 × 275.59
  4. Step 4: Simplify right side
    367.03x = 151,549.70
  5. Step 5: Solve for x
    x = 151,549.70/367.03
  6. Step 6: Final answer
    x = 412.91

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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.