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Finding the Fourth Proportional to 882.88, 1,324.32 and 370.24

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Solution

The fourth proportional to 882.88, 1,324.32 and 370.24 is: 555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.88 : 1,324.32 = 370.24 : x
  2. Step 2: Convert to fraction form
    882.88/1,324.32 = 370.24/x
  3. Step 3: Cross multiply
    882.88x = 1,324.32 × 370.24
  4. Step 4: Simplify right side
    882.88x = 490,316.24
  5. Step 5: Solve for x
    x = 490,316.24/882.88
  6. Step 6: Final answer
    x = 555.36

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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.