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Finding the Fourth Proportional to 903.24, 1,352.16 and 887.76

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Solution

The fourth proportional to 903.24, 1,352.16 and 887.76 is: 1,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    903.24 : 1,352.16 = 887.76 : x
  2. Step 2: Convert to fraction form
    903.24/1,352.16 = 887.76/x
  3. Step 3: Cross multiply
    903.24x = 1,352.16 × 887.76
  4. Step 4: Simplify right side
    903.24x = 1,200,393.56
  5. Step 5: Solve for x
    x = 1,200,393.56/903.24
  6. Step 6: Final answer
    x = 1,328.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.