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Finding the Fourth Proportional to 563.38, 845.03 and 152.57

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Solution

The fourth proportional to 563.38, 845.03 and 152.57 is: 228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.38 : 845.03 = 152.57 : x
  2. Step 2: Convert to fraction form
    563.38/845.03 = 152.57/x
  3. Step 3: Cross multiply
    563.38x = 845.03 × 152.57
  4. Step 4: Simplify right side
    563.38x = 128,928.72
  5. Step 5: Solve for x
    x = 128,928.72/563.38
  6. Step 6: Final answer
    x = 228.85

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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.