Home / 1,088.18-1,632.28-266.46

Finding the Fourth Proportional to 1,088.18, 1,632.28 and 266.46

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Solution

The fourth proportional to 1,088.18, 1,632.28 and 266.46 is: 399.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.18 : 1,632.28 = 266.46 : x
  2. Step 2: Convert to fraction form
    1,088.18/1,632.28 = 266.46/x
  3. Step 3: Cross multiply
    1,088.18x = 1,632.28 × 266.46
  4. Step 4: Simplify right side
    1,088.18x = 434,937.33
  5. Step 5: Solve for x
    x = 434,937.33/1,088.18
  6. Step 6: Final answer
    x = 399.69

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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.