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Finding the Fourth Proportional to 886.84, 1,330.20 and 237.52

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Solution

The fourth proportional to 886.84, 1,330.20 and 237.52 is: 356.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    886.84 : 1,330.20 = 237.52 : x
  2. Step 2: Convert to fraction form
    886.84/1,330.20 = 237.52/x
  3. Step 3: Cross multiply
    886.84x = 1,330.20 × 237.52
  4. Step 4: Simplify right side
    886.84x = 315,949.10
  5. Step 5: Solve for x
    x = 315,949.10/886.84
  6. Step 6: Final answer
    x = 356.26

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1.5x scale

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.