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Finding the Fourth Proportional to 617.12, 919.08 and 595.59

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Solution

The fourth proportional to 617.12, 919.08 and 595.59 is: 887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.12 : 919.08 = 595.59 : x
  2. Step 2: Convert to fraction form
    617.12/919.08 = 595.59/x
  3. Step 3: Cross multiply
    617.12x = 919.08 × 595.59
  4. Step 4: Simplify right side
    617.12x = 547,394.86
  5. Step 5: Solve for x
    x = 547,394.86/617.12
  6. Step 6: Final answer
    x = 887.02

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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.