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Finding the Fourth Proportional to 653.31, 975.29 and 630.52

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Solution

The fourth proportional to 653.31, 975.29 and 630.52 is: 941.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    653.31 : 975.29 = 630.52 : x
  2. Step 2: Convert to fraction form
    653.31/975.29 = 630.52/x
  3. Step 3: Cross multiply
    653.31x = 975.29 × 630.52
  4. Step 4: Simplify right side
    653.31x = 614,939.85
  5. Step 5: Solve for x
    x = 614,939.85/653.31
  6. Step 6: Final answer
    x = 941.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.