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Finding the Fourth Proportional to 360.67, 536.98 and 355.56

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Solution

The fourth proportional to 360.67, 536.98 and 355.56 is: 529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.67 : 536.98 = 355.56 : x
  2. Step 2: Convert to fraction form
    360.67/536.98 = 355.56/x
  3. Step 3: Cross multiply
    360.67x = 536.98 × 355.56
  4. Step 4: Simplify right side
    360.67x = 190,926.37
  5. Step 5: Solve for x
    x = 190,926.37/360.67
  6. Step 6: Final answer
    x = 529.37

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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.