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Finding the Fourth Proportional to 404.42, 607.73 and 242.14

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Solution

The fourth proportional to 404.42, 607.73 and 242.14 is: 363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.42 : 607.73 = 242.14 : x
  2. Step 2: Convert to fraction form
    404.42/607.73 = 242.14/x
  3. Step 3: Cross multiply
    404.42x = 607.73 × 242.14
  4. Step 4: Simplify right side
    404.42x = 147,155.74
  5. Step 5: Solve for x
    x = 147,155.74/404.42
  6. Step 6: Final answer
    x = 363.87

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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.