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Finding the Fourth Proportional to 551.16, 827.14 and 444.24

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Solution

The fourth proportional to 551.16, 827.14 and 444.24 is: 666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.16 : 827.14 = 444.24 : x
  2. Step 2: Convert to fraction form
    551.16/827.14 = 444.24/x
  3. Step 3: Cross multiply
    551.16x = 827.14 × 444.24
  4. Step 4: Simplify right side
    551.16x = 367,448.67
  5. Step 5: Solve for x
    x = 367,448.67/551.16
  6. Step 6: Final answer
    x = 666.68

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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.