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Finding the Fourth Proportional to 895.36, 1,237 and 881.60

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Solution

The fourth proportional to 895.36, 1,237 and 881.60 is: 1,217.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.36 : 1,237 = 881.60 : x
  2. Step 2: Convert to fraction form
    895.36/1,237 = 881.60/x
  3. Step 3: Cross multiply
    895.36x = 1,237 × 881.60
  4. Step 4: Simplify right side
    895.36x = 1,090,539.20
  5. Step 5: Solve for x
    x = 1,090,539.20/895.36
  6. Step 6: Final answer
    x = 1,217.99

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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.