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Finding the Fourth Proportional to 617.43, 922.02 and 585.84

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Solution

The fourth proportional to 617.43, 922.02 and 585.84 is: 874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.43 : 922.02 = 585.84 : x
  2. Step 2: Convert to fraction form
    617.43/922.02 = 585.84/x
  3. Step 3: Cross multiply
    617.43x = 922.02 × 585.84
  4. Step 4: Simplify right side
    617.43x = 540,156.20
  5. Step 5: Solve for x
    x = 540,156.20/617.43
  6. Step 6: Final answer
    x = 874.85

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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.