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Finding the Fourth Proportional to 374.98, 562.07 and 357.73

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Solution

The fourth proportional to 374.98, 562.07 and 357.73 is: 536.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.98 : 562.07 = 357.73 : x
  2. Step 2: Convert to fraction form
    374.98/562.07 = 357.73/x
  3. Step 3: Cross multiply
    374.98x = 562.07 × 357.73
  4. Step 4: Simplify right side
    374.98x = 201,069.30
  5. Step 5: Solve for x
    x = 201,069.30/374.98
  6. Step 6: Final answer
    x = 536.21

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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.