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Finding the Fourth Proportional to 848.96, 1,266.56 and 829.44

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Solution

The fourth proportional to 848.96, 1,266.56 and 829.44 is: 1,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.96 : 1,266.56 = 829.44 : x
  2. Step 2: Convert to fraction form
    848.96/1,266.56 = 829.44/x
  3. Step 3: Cross multiply
    848.96x = 1,266.56 × 829.44
  4. Step 4: Simplify right side
    848.96x = 1,050,535.53
  5. Step 5: Solve for x
    x = 1,050,535.53/848.96
  6. Step 6: Final answer
    x = 1,237.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.