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Finding the Fourth Proportional to 364.77, 546.62 and 181.89

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Solution

The fourth proportional to 364.77, 546.62 and 181.89 is: 272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.77 : 546.62 = 181.89 : x
  2. Step 2: Convert to fraction form
    364.77/546.62 = 181.89/x
  3. Step 3: Cross multiply
    364.77x = 546.62 × 181.89
  4. Step 4: Simplify right side
    364.77x = 99,423.80
  5. Step 5: Solve for x
    x = 99,423.80/364.77
  6. Step 6: Final answer
    x = 272.57

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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.