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Finding the Fourth Proportional to 367.08, 549.37 and 278.98

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Solution

The fourth proportional to 367.08, 549.37 and 278.98 is: 417.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.08 : 549.37 = 278.98 : x
  2. Step 2: Convert to fraction form
    367.08/549.37 = 278.98/x
  3. Step 3: Cross multiply
    367.08x = 549.37 × 278.98
  4. Step 4: Simplify right side
    367.08x = 153,263.24
  5. Step 5: Solve for x
    x = 153,263.24/367.08
  6. Step 6: Final answer
    x = 417.52

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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.