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Finding the Fourth Proportional to 617.59, 924.76 and 433.99

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Solution

The fourth proportional to 617.59, 924.76 and 433.99 is: 649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.59 : 924.76 = 433.99 : x
  2. Step 2: Convert to fraction form
    617.59/924.76 = 433.99/x
  3. Step 3: Cross multiply
    617.59x = 924.76 × 433.99
  4. Step 4: Simplify right side
    617.59x = 401,329.80
  5. Step 5: Solve for x
    x = 401,329.80/617.59
  6. Step 6: Final answer
    x = 649.84

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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.