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Finding the Fourth Proportional to 1,156.82, 1,596.39 and 632.90

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Solution

The fourth proportional to 1,156.82, 1,596.39 and 632.90 is: 873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.82 : 1,596.39 = 632.90 : x
  2. Step 2: Convert to fraction form
    1,156.82/1,596.39 = 632.90/x
  3. Step 3: Cross multiply
    1,156.82x = 1,596.39 × 632.90
  4. Step 4: Simplify right side
    1,156.82x = 1,010,355.23
  5. Step 5: Solve for x
    x = 1,010,355.23/1,156.82
  6. Step 6: Final answer
    x = 873.39

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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.