Home / 1,118.22-1,677.12-296.51

Finding the Fourth Proportional to 1,118.22, 1,677.12 and 296.51

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Solution

The fourth proportional to 1,118.22, 1,677.12 and 296.51 is: 444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118.22 : 1,677.12 = 296.51 : x
  2. Step 2: Convert to fraction form
    1,118.22/1,677.12 = 296.51/x
  3. Step 3: Cross multiply
    1,118.22x = 1,677.12 × 296.51
  4. Step 4: Simplify right side
    1,118.22x = 497,274.47
  5. Step 5: Solve for x
    x = 497,274.47/1,118.22
  6. Step 6: Final answer
    x = 444.70

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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.