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Finding the Fourth Proportional to 888.95, 1,227.27 and 652.70

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Solution

The fourth proportional to 888.95, 1,227.27 and 652.70 is: 901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.95 : 1,227.27 = 652.70 : x
  2. Step 2: Convert to fraction form
    888.95/1,227.27 = 652.70/x
  3. Step 3: Cross multiply
    888.95x = 1,227.27 × 652.70
  4. Step 4: Simplify right side
    888.95x = 801,032.99
  5. Step 5: Solve for x
    x = 801,032.99/888.95
  6. Step 6: Final answer
    x = 901.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.