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Finding the Fourth Proportional to 925.98, 1,277.52 and 576.60

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Solution

The fourth proportional to 925.98, 1,277.52 and 576.60 is: 795.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.98 : 1,277.52 = 576.60 : x
  2. Step 2: Convert to fraction form
    925.98/1,277.52 = 576.60/x
  3. Step 3: Cross multiply
    925.98x = 1,277.52 × 576.60
  4. Step 4: Simplify right side
    925.98x = 736,618.03
  5. Step 5: Solve for x
    x = 736,618.03/925.98
  6. Step 6: Final answer
    x = 795.50

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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.