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Finding the Fourth Proportional to 835.77, 1,252.78 and 373.77

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Solution

The fourth proportional to 835.77, 1,252.78 and 373.77 is: 560.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.77 : 1,252.78 = 373.77 : x
  2. Step 2: Convert to fraction form
    835.77/1,252.78 = 373.77/x
  3. Step 3: Cross multiply
    835.77x = 1,252.78 × 373.77
  4. Step 4: Simplify right side
    835.77x = 468,251.58
  5. Step 5: Solve for x
    x = 468,251.58/835.77
  6. Step 6: Final answer
    x = 560.26

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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.