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Finding the Fourth Proportional to 592.10, 888.72 and 551.90

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Solution

The fourth proportional to 592.10, 888.72 and 551.90 is: 828.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.10 : 888.72 = 551.90 : x
  2. Step 2: Convert to fraction form
    592.10/888.72 = 551.90/x
  3. Step 3: Cross multiply
    592.10x = 888.72 × 551.90
  4. Step 4: Simplify right side
    592.10x = 490,484.57
  5. Step 5: Solve for x
    x = 490,484.57/592.10
  6. Step 6: Final answer
    x = 828.38

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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.