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Finding the Fourth Proportional to 359.12, 536.02 and 356.60

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Solution

The fourth proportional to 359.12, 536.02 and 356.60 is: 532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.12 : 536.02 = 356.60 : x
  2. Step 2: Convert to fraction form
    359.12/536.02 = 356.60/x
  3. Step 3: Cross multiply
    359.12x = 536.02 × 356.60
  4. Step 4: Simplify right side
    359.12x = 191,144.73
  5. Step 5: Solve for x
    x = 191,144.73/359.12
  6. Step 6: Final answer
    x = 532.26

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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.