Home / 1,148.91-1,723.56-369.05

Finding the Fourth Proportional to 1,148.91, 1,723.56 and 369.05

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Solution

The fourth proportional to 1,148.91, 1,723.56 and 369.05 is: 553.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148.91 : 1,723.56 = 369.05 : x
  2. Step 2: Convert to fraction form
    1,148.91/1,723.56 = 369.05/x
  3. Step 3: Cross multiply
    1,148.91x = 1,723.56 × 369.05
  4. Step 4: Simplify right side
    1,148.91x = 636,071.20
  5. Step 5: Solve for x
    x = 636,071.20/1,148.91
  6. Step 6: Final answer
    x = 553.63

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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.