Home / 1,088.29-1,632.61-357.62

Finding the Fourth Proportional to 1,088.29, 1,632.61 and 357.62

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Solution

The fourth proportional to 1,088.29, 1,632.61 and 357.62 is: 536.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.29 : 1,632.61 = 357.62 : x
  2. Step 2: Convert to fraction form
    1,088.29/1,632.61 = 357.62/x
  3. Step 3: Cross multiply
    1,088.29x = 1,632.61 × 357.62
  4. Step 4: Simplify right side
    1,088.29x = 583,844.26
  5. Step 5: Solve for x
    x = 583,844.26/1,088.29
  6. Step 6: Final answer
    x = 536.48

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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.