Home / 1,088.26-1,632.40-347.91

Finding the Fourth Proportional to 1,088.26, 1,632.40 and 347.91

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Solution

The fourth proportional to 1,088.26, 1,632.40 and 347.91 is: 521.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.26 : 1,632.40 = 347.91 : x
  2. Step 2: Convert to fraction form
    1,088.26/1,632.40 = 347.91/x
  3. Step 3: Cross multiply
    1,088.26x = 1,632.40 × 347.91
  4. Step 4: Simplify right side
    1,088.26x = 567,922.97
  5. Step 5: Solve for x
    x = 567,922.97/1,088.26
  6. Step 6: Final answer
    x = 521.86

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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.