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Finding the Fourth Proportional to 617.04, 924.34 and 508.90

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Solution

The fourth proportional to 617.04, 924.34 and 508.90 is: 762.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.04 : 924.34 = 508.90 : x
  2. Step 2: Convert to fraction form
    617.04/924.34 = 508.90/x
  3. Step 3: Cross multiply
    617.04x = 924.34 × 508.90
  4. Step 4: Simplify right side
    617.04x = 470,396.63
  5. Step 5: Solve for x
    x = 470,396.63/617.04
  6. Step 6: Final answer
    x = 762.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.