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Finding the Fourth Proportional to 948.07, 1,308.22 and 544.28

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Solution

The fourth proportional to 948.07, 1,308.22 and 544.28 is: 751.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    948.07 : 1,308.22 = 544.28 : x
  2. Step 2: Convert to fraction form
    948.07/1,308.22 = 544.28/x
  3. Step 3: Cross multiply
    948.07x = 1,308.22 × 544.28
  4. Step 4: Simplify right side
    948.07x = 712,037.98
  5. Step 5: Solve for x
    x = 712,037.98/948.07
  6. Step 6: Final answer
    x = 751.04

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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.