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Finding the Fourth Proportional to 365.73, 544.91 and 357.53

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Solution

The fourth proportional to 365.73, 544.91 and 357.53 is: 532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.73 : 544.91 = 357.53 : x
  2. Step 2: Convert to fraction form
    365.73/544.91 = 357.53/x
  3. Step 3: Cross multiply
    365.73x = 544.91 × 357.53
  4. Step 4: Simplify right side
    365.73x = 194,817.16
  5. Step 5: Solve for x
    x = 194,817.16/365.73
  6. Step 6: Final answer
    x = 532.68

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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.