Home / 1,088.22-1,632.08-308.31

Finding the Fourth Proportional to 1,088.22, 1,632.08 and 308.31

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Solution

The fourth proportional to 1,088.22, 1,632.08 and 308.31 is: 462.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.22 : 1,632.08 = 308.31 : x
  2. Step 2: Convert to fraction form
    1,088.22/1,632.08 = 308.31/x
  3. Step 3: Cross multiply
    1,088.22x = 1,632.08 × 308.31
  4. Step 4: Simplify right side
    1,088.22x = 503,186.58
  5. Step 5: Solve for x
    x = 503,186.58/1,088.22
  6. Step 6: Final answer
    x = 462.39

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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.