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Finding the Fourth Proportional to 365.65, 546.33 and 352.89

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Solution

The fourth proportional to 365.65, 546.33 and 352.89 is: 527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.65 : 546.33 = 352.89 : x
  2. Step 2: Convert to fraction form
    365.65/546.33 = 352.89/x
  3. Step 3: Cross multiply
    365.65x = 546.33 × 352.89
  4. Step 4: Simplify right side
    365.65x = 192,789.90
  5. Step 5: Solve for x
    x = 192,789.90/365.65
  6. Step 6: Final answer
    x = 527.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.