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Finding the Fourth Proportional to 52.33, 71.58 and 51.54

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Solution

The fourth proportional to 52.33, 71.58 and 51.54 is: 70.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.33 : 71.58 = 51.54 : x
  2. Step 2: Convert to fraction form
    52.33/71.58 = 51.54/x
  3. Step 3: Cross multiply
    52.33x = 71.58 × 51.54
  4. Step 4: Simplify right side
    52.33x = 3,689.23
  5. Step 5: Solve for x
    x = 3,689.23/52.33
  6. Step 6: Final answer
    x = 70.50

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.