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Finding the Fourth Proportional to 669.47, 924 and 544.83

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Solution

The fourth proportional to 669.47, 924 and 544.83 is: 751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    669.47 : 924 = 544.83 : x
  2. Step 2: Convert to fraction form
    669.47/924 = 544.83/x
  3. Step 3: Cross multiply
    669.47x = 924 × 544.83
  4. Step 4: Simplify right side
    669.47x = 503,422.92
  5. Step 5: Solve for x
    x = 503,422.92/669.47
  6. Step 6: Final answer
    x = 751.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.