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Finding the Fourth Proportional to 630.52, 943.74 and 570.64

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Solution

The fourth proportional to 630.52, 943.74 and 570.64 is: 854.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.52 : 943.74 = 570.64 : x
  2. Step 2: Convert to fraction form
    630.52/943.74 = 570.64/x
  3. Step 3: Cross multiply
    630.52x = 943.74 × 570.64
  4. Step 4: Simplify right side
    630.52x = 538,535.79
  5. Step 5: Solve for x
    x = 538,535.79/630.52
  6. Step 6: Final answer
    x = 854.11

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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.