Home / 1,088.28-1,632.45-357.84

Finding the Fourth Proportional to 1,088.28, 1,632.45 and 357.84

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Solution

The fourth proportional to 1,088.28, 1,632.45 and 357.84 is: 536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.28 : 1,632.45 = 357.84 : x
  2. Step 2: Convert to fraction form
    1,088.28/1,632.45 = 357.84/x
  3. Step 3: Cross multiply
    1,088.28x = 1,632.45 × 357.84
  4. Step 4: Simplify right side
    1,088.28x = 584,155.91
  5. Step 5: Solve for x
    x = 584,155.91/1,088.28
  6. Step 6: Final answer
    x = 536.77

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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.