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Finding the Fourth Proportional to 900.92, 1,352.20 and 627.14

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Solution

The fourth proportional to 900.92, 1,352.20 and 627.14 is: 941.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    900.92 : 1,352.20 = 627.14 : x
  2. Step 2: Convert to fraction form
    900.92/1,352.20 = 627.14/x
  3. Step 3: Cross multiply
    900.92x = 1,352.20 × 627.14
  4. Step 4: Simplify right side
    900.92x = 848,018.71
  5. Step 5: Solve for x
    x = 848,018.71/900.92
  6. Step 6: Final answer
    x = 941.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.