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Finding the Fourth Proportional to 366.77, 549.07 and 193.02

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Solution

The fourth proportional to 366.77, 549.07 and 193.02 is: 288.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.77 : 549.07 = 193.02 : x
  2. Step 2: Convert to fraction form
    366.77/549.07 = 193.02/x
  3. Step 3: Cross multiply
    366.77x = 549.07 × 193.02
  4. Step 4: Simplify right side
    366.77x = 105,981.49
  5. Step 5: Solve for x
    x = 105,981.49/366.77
  6. Step 6: Final answer
    x = 288.96

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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.