Home / 1,088.63-1,632.20-358.10

Finding the Fourth Proportional to 1,088.63, 1,632.20 and 358.10

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Solution

The fourth proportional to 1,088.63, 1,632.20 and 358.10 is: 536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.63 : 1,632.20 = 358.10 : x
  2. Step 2: Convert to fraction form
    1,088.63/1,632.20 = 358.10/x
  3. Step 3: Cross multiply
    1,088.63x = 1,632.20 × 358.10
  4. Step 4: Simplify right side
    1,088.63x = 584,480.87
  5. Step 5: Solve for x
    x = 584,480.87/1,088.63
  6. Step 6: Final answer
    x = 536.90

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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.