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Finding the Fourth Proportional to 952.12, 1,313.36 and 602.20

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Solution

The fourth proportional to 952.12, 1,313.36 and 602.20 is: 830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.12 : 1,313.36 = 602.20 : x
  2. Step 2: Convert to fraction form
    952.12/1,313.36 = 602.20/x
  3. Step 3: Cross multiply
    952.12x = 1,313.36 × 602.20
  4. Step 4: Simplify right side
    952.12x = 790,905.39
  5. Step 5: Solve for x
    x = 790,905.39/952.12
  6. Step 6: Final answer
    x = 830.68

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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.