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Finding the Fourth Proportional to 366.05, 549.03 and 345.71

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Solution

The fourth proportional to 366.05, 549.03 and 345.71 is: 518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.05 : 549.03 = 345.71 : x
  2. Step 2: Convert to fraction form
    366.05/549.03 = 345.71/x
  3. Step 3: Cross multiply
    366.05x = 549.03 × 345.71
  4. Step 4: Simplify right side
    366.05x = 189,807.24
  5. Step 5: Solve for x
    x = 189,807.24/366.05
  6. Step 6: Final answer
    x = 518.53

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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.