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Finding the Fourth Proportional to 619.79, 925.26 and 598.16

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Solution

The fourth proportional to 619.79, 925.26 and 598.16 is: 892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    619.79 : 925.26 = 598.16 : x
  2. Step 2: Convert to fraction form
    619.79/925.26 = 598.16/x
  3. Step 3: Cross multiply
    619.79x = 925.26 × 598.16
  4. Step 4: Simplify right side
    619.79x = 553,453.52
  5. Step 5: Solve for x
    x = 553,453.52/619.79
  6. Step 6: Final answer
    x = 892.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.