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Finding the Fourth Proportional to 673.30, 906.07 and 673.30

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Solution

The fourth proportional to 673.30, 906.07 and 673.30 is: 906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.30 : 906.07 = 673.30 : x
  2. Step 2: Convert to fraction form
    673.30/906.07 = 673.30/x
  3. Step 3: Cross multiply
    673.30x = 906.07 × 673.30
  4. Step 4: Simplify right side
    673.30x = 610,056.93
  5. Step 5: Solve for x
    x = 610,056.93/673.30
  6. Step 6: Final answer
    x = 906.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.