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Finding the Fourth Proportional to 617.41, 918.17 and 597.94

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Solution

The fourth proportional to 617.41, 918.17 and 597.94 is: 889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.41 : 918.17 = 597.94 : x
  2. Step 2: Convert to fraction form
    617.41/918.17 = 597.94/x
  3. Step 3: Cross multiply
    617.41x = 918.17 × 597.94
  4. Step 4: Simplify right side
    617.41x = 549,015.11
  5. Step 5: Solve for x
    x = 549,015.11/617.41
  6. Step 6: Final answer
    x = 889.22

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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.