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Finding the Fourth Proportional to 882.03, 1,323.66 and 651.52

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Solution

The fourth proportional to 882.03, 1,323.66 and 651.52 is: 977.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.03 : 1,323.66 = 651.52 : x
  2. Step 2: Convert to fraction form
    882.03/1,323.66 = 651.52/x
  3. Step 3: Cross multiply
    882.03x = 1,323.66 × 651.52
  4. Step 4: Simplify right side
    882.03x = 862,390.96
  5. Step 5: Solve for x
    x = 862,390.96/882.03
  6. Step 6: Final answer
    x = 977.73

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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.