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Finding the Fourth Proportional to 673.73, 930.27 and 526.11

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Solution

The fourth proportional to 673.73, 930.27 and 526.11 is: 726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.73 : 930.27 = 526.11 : x
  2. Step 2: Convert to fraction form
    673.73/930.27 = 526.11/x
  3. Step 3: Cross multiply
    673.73x = 930.27 × 526.11
  4. Step 4: Simplify right side
    673.73x = 489,424.35
  5. Step 5: Solve for x
    x = 489,424.35/673.73
  6. Step 6: Final answer
    x = 726.44

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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.