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Finding the Fourth Proportional to 925.79, 1,277.73 and 532.73

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Solution

The fourth proportional to 925.79, 1,277.73 and 532.73 is: 735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.79 : 1,277.73 = 532.73 : x
  2. Step 2: Convert to fraction form
    925.79/1,277.73 = 532.73/x
  3. Step 3: Cross multiply
    925.79x = 1,277.73 × 532.73
  4. Step 4: Simplify right side
    925.79x = 680,688.30
  5. Step 5: Solve for x
    x = 680,688.30/925.79
  6. Step 6: Final answer
    x = 735.26

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1.5x scale

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.