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Finding the Fourth Proportional to 367.77, 549.02 and 354.95

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Solution

The fourth proportional to 367.77, 549.02 and 354.95 is: 529.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.77 : 549.02 = 354.95 : x
  2. Step 2: Convert to fraction form
    367.77/549.02 = 354.95/x
  3. Step 3: Cross multiply
    367.77x = 549.02 × 354.95
  4. Step 4: Simplify right side
    367.77x = 194,872.79
  5. Step 5: Solve for x
    x = 194,872.79/367.77
  6. Step 6: Final answer
    x = 529.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.