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Finding the Fourth Proportional to 359.28, 537.28 and 354.82

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Solution

The fourth proportional to 359.28, 537.28 and 354.82 is: 530.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.28 : 537.28 = 354.82 : x
  2. Step 2: Convert to fraction form
    359.28/537.28 = 354.82/x
  3. Step 3: Cross multiply
    359.28x = 537.28 × 354.82
  4. Step 4: Simplify right side
    359.28x = 190,637.69
  5. Step 5: Solve for x
    x = 190,637.69/359.28
  6. Step 6: Final answer
    x = 530.61

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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.