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Finding the Fourth Proportional to 527.94, 727.85 and 362.09

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Solution

The fourth proportional to 527.94, 727.85 and 362.09 is: 499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.94 : 727.85 = 362.09 : x
  2. Step 2: Convert to fraction form
    527.94/727.85 = 362.09/x
  3. Step 3: Cross multiply
    527.94x = 727.85 × 362.09
  4. Step 4: Simplify right side
    527.94x = 263,549.93
  5. Step 5: Solve for x
    x = 263,549.93/527.94
  6. Step 6: Final answer
    x = 499.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.