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Finding the Fourth Proportional to 617.55, 924.30 and 544.65

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Solution

The fourth proportional to 617.55, 924.30 and 544.65 is: 815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.55 : 924.30 = 544.65 : x
  2. Step 2: Convert to fraction form
    617.55/924.30 = 544.65/x
  3. Step 3: Cross multiply
    617.55x = 924.30 × 544.65
  4. Step 4: Simplify right side
    617.55x = 503,420.00
  5. Step 5: Solve for x
    x = 503,420.00/617.55
  6. Step 6: Final answer
    x = 815.19

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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.