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Finding the Fourth Proportional to 357.72, 536.44 and 175.02

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Solution

The fourth proportional to 357.72, 536.44 and 175.02 is: 262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.72 : 536.44 = 175.02 : x
  2. Step 2: Convert to fraction form
    357.72/536.44 = 175.02/x
  3. Step 3: Cross multiply
    357.72x = 536.44 × 175.02
  4. Step 4: Simplify right side
    357.72x = 93,887.73
  5. Step 5: Solve for x
    x = 93,887.73/357.72
  6. Step 6: Final answer
    x = 262.46

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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.