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Finding the Fourth Proportional to 954.57, 1,432.30 and 608.29

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Solution

The fourth proportional to 954.57, 1,432.30 and 608.29 is: 912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.57 : 1,432.30 = 608.29 : x
  2. Step 2: Convert to fraction form
    954.57/1,432.30 = 608.29/x
  3. Step 3: Cross multiply
    954.57x = 1,432.30 × 608.29
  4. Step 4: Simplify right side
    954.57x = 871,255.29
  5. Step 5: Solve for x
    x = 871,255.29/954.57
  6. Step 6: Final answer
    x = 912.72

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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.