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Finding the Fourth Proportional to 601.38, 830.00 and 365.47

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Solution

The fourth proportional to 601.38, 830.00 and 365.47 is: 504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.38 : 830.00 = 365.47 : x
  2. Step 2: Convert to fraction form
    601.38/830.00 = 365.47/x
  3. Step 3: Cross multiply
    601.38x = 830.00 × 365.47
  4. Step 4: Simplify right side
    601.38x = 303,338.94
  5. Step 5: Solve for x
    x = 303,338.94/601.38
  6. Step 6: Final answer
    x = 504.40

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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.