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Finding the Fourth Proportional to 359.39, 536.99 and 275.54

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Solution

The fourth proportional to 359.39, 536.99 and 275.54 is: 411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.39 : 536.99 = 275.54 : x
  2. Step 2: Convert to fraction form
    359.39/536.99 = 275.54/x
  3. Step 3: Cross multiply
    359.39x = 536.99 × 275.54
  4. Step 4: Simplify right side
    359.39x = 147,962.22
  5. Step 5: Solve for x
    x = 147,962.22/359.39
  6. Step 6: Final answer
    x = 411.70

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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.