Home / 1,088.05-1,631.91-357.64

Finding the Fourth Proportional to 1,088.05, 1,631.91 and 357.64

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Solution

The fourth proportional to 1,088.05, 1,631.91 and 357.64 is: 536.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.05 : 1,631.91 = 357.64 : x
  2. Step 2: Convert to fraction form
    1,088.05/1,631.91 = 357.64/x
  3. Step 3: Cross multiply
    1,088.05x = 1,631.91 × 357.64
  4. Step 4: Simplify right side
    1,088.05x = 583,636.29
  5. Step 5: Solve for x
    x = 583,636.29/1,088.05
  6. Step 6: Final answer
    x = 536.41

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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.