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Finding the Fourth Proportional to 359.16, 537.66 and 204.81

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Solution

The fourth proportional to 359.16, 537.66 and 204.81 is: 306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.16 : 537.66 = 204.81 : x
  2. Step 2: Convert to fraction form
    359.16/537.66 = 204.81/x
  3. Step 3: Cross multiply
    359.16x = 537.66 × 204.81
  4. Step 4: Simplify right side
    359.16x = 110,118.14
  5. Step 5: Solve for x
    x = 110,118.14/359.16
  6. Step 6: Final answer
    x = 306.60

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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.