Home / 1,088.08-1,631.59-357.41

Finding the Fourth Proportional to 1,088.08, 1,631.59 and 357.41

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Solution

The fourth proportional to 1,088.08, 1,631.59 and 357.41 is: 535.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.08 : 1,631.59 = 357.41 : x
  2. Step 2: Convert to fraction form
    1,088.08/1,631.59 = 357.41/x
  3. Step 3: Cross multiply
    1,088.08x = 1,631.59 × 357.41
  4. Step 4: Simplify right side
    1,088.08x = 583,136.64
  5. Step 5: Solve for x
    x = 583,136.64/1,088.08
  6. Step 6: Final answer
    x = 535.93

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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.