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Finding the Fourth Proportional to 848.53, 1,266.65 and 733.71

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Solution

The fourth proportional to 848.53, 1,266.65 and 733.71 is: 1,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.53 : 1,266.65 = 733.71 : x
  2. Step 2: Convert to fraction form
    848.53/1,266.65 = 733.71/x
  3. Step 3: Cross multiply
    848.53x = 1,266.65 × 733.71
  4. Step 4: Simplify right side
    848.53x = 929,353.77
  5. Step 5: Solve for x
    x = 929,353.77/848.53
  6. Step 6: Final answer
    x = 1,095.25

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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.