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Finding the Fourth Proportional to 596.90, 899.13 and 551.79

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Solution

The fourth proportional to 596.90, 899.13 and 551.79 is: 831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.90 : 899.13 = 551.79 : x
  2. Step 2: Convert to fraction form
    596.90/899.13 = 551.79/x
  3. Step 3: Cross multiply
    596.90x = 899.13 × 551.79
  4. Step 4: Simplify right side
    596.90x = 496,133.01
  5. Step 5: Solve for x
    x = 496,133.01/596.90
  6. Step 6: Final answer
    x = 831.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.