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Finding the Fourth Proportional to 882.68, 1,219.10 and 602.44

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Solution

The fourth proportional to 882.68, 1,219.10 and 602.44 is: 832.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.68 : 1,219.10 = 602.44 : x
  2. Step 2: Convert to fraction form
    882.68/1,219.10 = 602.44/x
  3. Step 3: Cross multiply
    882.68x = 1,219.10 × 602.44
  4. Step 4: Simplify right side
    882.68x = 734,428.54
  5. Step 5: Solve for x
    x = 734,428.54/882.68
  6. Step 6: Final answer
    x = 832.05

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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.